635407434076 has 12 divisors (see below), whose sum is σ = 1135621797408. Its totient is φ = 310944063392.

The previous prime is 635407434037. The next prime is 635407434107. The reversal of 635407434076 is 670434704536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689913201 + ... + 1689913576.

It is an arithmetic number, because the mean of its divisors is an integer number (94635149784).

Almost surely, 2^635407434076 is an apocalyptic number.

It is an amenable number.

635407434076 is a deficient number, since it is larger than the sum of its proper divisors (500214363332).

635407434076 is a wasteful number, since it uses less digits than its factorization.

635407434076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379826828 (or 3379826826 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 49.

The spelling of 635407434076 in words is "six hundred thirty-five billion, four hundred seven million, four hundred thirty-four thousand, seventy-six".