634517474102 has 4 divisors (see below), whose sum is σ = 951776211156. Its totient is φ = 317258737050.

The previous prime is 634517474023. The next prime is 634517474113. The reversal of 634517474102 is 201474715436.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×634517474102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 158629368524 + ... + 158629368527.

It is an arithmetic number, because the mean of its divisors is an integer number (237944052789).

Almost surely, 2^634517474102 is an apocalyptic number.

634517474102 is a deficient number, since it is larger than the sum of its proper divisors (317258737054).

634517474102 is a wasteful number, since it uses less digits than its factorization.

634517474102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317258737053.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 634517474102 in words is "six hundred thirty-four billion, five hundred seventeen million, four hundred seventy-four thousand, one hundred two".