634976894445 has 32 divisors (see below), whose sum is σ = 1026503898624. Its totient is φ = 335143872000.

The previous prime is 634976894417. The next prime is 634976894473. The reversal of 634976894445 is 544498679436.

It is an interprime number because it is at equal distance from previous prime (634976894417) and next prime (634976894473).

It is not a de Polignac number, because 634976894445 - 2⁶ = 634976894381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634976894445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3164460 + ... + 3359130.

It is an arithmetic number, because the mean of its divisors is an integer number (32078246832).

Almost surely, 2^634976894445 is an apocalyptic number.

It is an amenable number.

634976894445 is a deficient number, since it is larger than the sum of its proper divisors (391527004179).

634976894445 is a wasteful number, since it uses less digits than its factorization.

634976894445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196933.

The product of its digits is 627056640, while the sum is 69.

The spelling of 634976894445 in words is "six hundred thirty-four billion, nine hundred seventy-six million, eight hundred ninety-four thousand, four hundred forty-five".