10491904425 has 24 divisors (see below), whose sum is σ = 17450508096. Its totient is φ = 5562168640.

The previous prime is 10491904373. The next prime is 10491904427. The reversal of 10491904425 is 52440919401.

10491904425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10491904425 - 2¹² = 10491900329 is a prime.

It is a super-2 number, since 2×10491904425² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10491904427) 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 23 ways as a sum of consecutive naturals, for example, 406314 + ... + 431363.

It is an arithmetic number, because the mean of its divisors is an integer number (727104504).

Almost surely, 2^10491904425 is an apocalyptic number.

10491904425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10491904425 is a deficient number, since it is larger than the sum of its proper divisors (6958603671).

10491904425 is a wasteful number, since it uses less digits than its factorization.

10491904425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837857 (or 837852 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 10491904425 in words is "ten billion, four hundred ninety-one million, nine hundred four thousand, four hundred twenty-five".