634373013425 has 24 divisors (see below), whose sum is σ = 805599991872. Its totient is φ = 495396440000.

The previous prime is 634373013401. The next prime is 634373013553. The reversal of 634373013425 is 524310373436.

It is not a de Polignac number, because 634373013425 - 2¹² = 634373009329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1589999 + ... + 1948548.

It is an arithmetic number, because the mean of its divisors is an integer number (33566666328).

Almost surely, 2^634373013425 is an apocalyptic number.

It is an amenable number.

634373013425 is a deficient number, since it is larger than the sum of its proper divisors (171226978447).

634373013425 is a wasteful number, since it uses less digits than its factorization.

634373013425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538729 (or 3538724 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 41.

The spelling of 634373013425 in words is "six hundred thirty-four billion, three hundred seventy-three million, thirteen thousand, four hundred twenty-five".