1498538881 has 8 divisors (see below), whose sum is σ = 1713483584. Its totient is φ = 1283811120.

The previous prime is 1498538869. The next prime is 1498538903. The reversal of 1498538881 is 1888358941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1498538881 - 2¹⁷ = 1498407809 is a prime.

It is a super-2 number, since 2×1498538881² = 4491237555737464322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1498530881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39150 + ... + 67303.

It is an arithmetic number, because the mean of its divisors is an integer number (214185448).

Almost surely, 2^1498538881 is an apocalyptic number.

It is an amenable number.

1498538881 is a deficient number, since it is larger than the sum of its proper divisors (214944703).

1498538881 is a wasteful number, since it uses less digits than its factorization.

1498538881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108471.

The product of its digits is 2211840, while the sum is 55.

The square root of 1498538881 is about 38710.9659011500. The cubic root of 1498538881 is about 1144.3424409770.

The spelling of 1498538881 in words is "one billion, four hundred ninety-eight million, five hundred thirty-eight thousand, eight hundred eighty-one".