1499928413 has 8 divisors (see below), whose sum is σ = 1508393016. Its totient is φ = 1491481600.

The previous prime is 1499928403. The next prime is 1499928421. The reversal of 1499928413 is 3148299941.

It can be written as a sum of positive squares in 4 ways, for example, as 2393209 + 1497535204 = 1547^2 + 38698^2 .

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 1499928413 - 2²² = 1495734109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499928403) 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, 187373 + ... + 195213.

It is an arithmetic number, because the mean of its divisors is an integer number (188549127).

Almost surely, 2^1499928413 is an apocalyptic number.

It is an amenable number.

1499928413 is a deficient number, since it is larger than the sum of its proper divisors (8464603).

1499928413 is an equidigital number, since it uses as much as digits as its factorization.

1499928413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its digits is 559872, while the sum is 50.

The square root of 1499928413 is about 38728.9092668513. The cubic root of 1499928413 is about 1144.6960318951.

The spelling of 1499928413 in words is "one billion, four hundred ninety-nine million, nine hundred twenty-eight thousand, four hundred thirteen".