10197394964 has 6 divisors (see below), whose sum is σ = 17845441194. Its totient is φ = 5098697480.

The previous prime is 10197394957. The next prime is 10197394993. The reversal of 10197394964 is 46949379101.

It can be written as a sum of positive squares in only one way, i.e., 8103600400 + 2093794564 = 90020^2 + 45758^2 .

It is a super-2 number, since 2×10197394964² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274674367 + ... + 1274674374.

It is an arithmetic number, because the mean of its divisors is an integer number (2974240199).

Almost surely, 2^10197394964 is an apocalyptic number.

It is an amenable number.

10197394964 is a deficient number, since it is larger than the sum of its proper divisors (7648046230).

10197394964 is a wasteful number, since it uses less digits than its factorization.

10197394964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549348745 (or 2549348743 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 10197394964 in words is "ten billion, one hundred ninety-seven million, three hundred ninety-four thousand, nine hundred sixty-four".