1498708913 has 4 divisors (see below), whose sum is σ = 1613994228. Its totient is φ = 1383423600.

The previous prime is 1498708903. The next prime is 1498708963. The reversal of 1498708913 is 3198078941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3198078941 = 53233 ⋅60077.

It can be written as a sum of positive squares in 2 ways, for example, as 224790049 + 1273918864 = 14993^2 + 35692^2 .

It is not a de Polignac number, because 1498708913 - 2²⁰ = 1497660337 is a prime.

It is a super-2 number, since 2×1498708913² = 4492256811811283138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1498708903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57642638 + ... + 57642663.

It is an arithmetic number, because the mean of its divisors is an integer number (403498557).

Almost surely, 2^1498708913 is an apocalyptic number.

1498708913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1498708913 is a deficient number, since it is larger than the sum of its proper divisors (115285315).

1498708913 is a wasteful number, since it uses less digits than its factorization.

1498708913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115285314.

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 1498708913 is about 38713.1620124216. The cubic root of 1498708913 is about 1144.3857203513.

The spelling of 1498708913 in words is "one billion, four hundred ninety-eight million, seven hundred eight thousand, nine hundred thirteen".