1997314304634 has 96 divisors (see below), whose sum is σ = 4729909137408. Its totient is φ = 604096020000.

The previous prime is 1997314304593. The next prime is 1997314304647. The reversal of 1997314304634 is 4364034137991.

1997314304634 is a `hidden beast` number, since 19 + 9 + 7 + 314 + 304 + 6 + 3 + 4 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304883659 + ... + 304890209.

It is an arithmetic number, because the mean of its divisors is an integer number (49269886848).

Almost surely, 2^{1997314304634} is an apocalyptic number.

1997314304634 is an abundant number, since it is smaller than the sum of its proper divisors (2732594832774).

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

1997314304634 is a wasteful number, since it uses less digits than its factorization.

1997314304634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264 (or 9261 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 1997314304634 in words is "one trillion, nine hundred ninety-seven billion, three hundred fourteen million, three hundred four thousand, six hundred thirty-four".