25253099426 has 16 divisors (see below), whose sum is σ = 38772756000. Its totient is φ = 12329032128.

The previous prime is 25253099423. The next prime is 25253099449. The reversal of 25253099426 is 62499035252.

It is not an unprimeable number, because it can be changed into a prime (25253099423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239210 + ... + 328218.

It is an arithmetic number, because the mean of its divisors is an integer number (2423297250).

Almost surely, 2^25253099426 is an apocalyptic number.

25253099426 is a deficient number, since it is larger than the sum of its proper divisors (13519656574).

25253099426 is a wasteful number, since it uses less digits than its factorization.

25253099426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92353.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 25253099426 in words is "twenty-five billion, two hundred fifty-three million, ninety-nine thousand, four hundred twenty-six".