2501634432426 has 16 divisors (see below), whose sum is σ = 5003493725664. Its totient is φ = 833840667344.

The previous prime is 2501634432397. The next prime is 2501634432499. The reversal of 2501634432426 is 6242344361052.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9224400 + ... + 9491723.

It is an arithmetic number, because the mean of its divisors is an integer number (312718357854).

Almost surely, 2^{2501634432426} is an apocalyptic number.

2501634432426 is an abundant number, since it is smaller than the sum of its proper divisors (2501859293238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501634432426 is a wasteful number, since it uses less digits than its factorization.

2501634432426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738405.

The product of its (nonzero) digits is 829440, while the sum is 42.

Adding to 2501634432426 its reverse (6242344361052), we get a palindrome (8743978793478).

The spelling of 2501634432426 in words is "two trillion, five hundred one billion, six hundred thirty-four million, four hundred thirty-two thousand, four hundred twenty-six".