6990195315592 has 8 divisors (see below), whose sum is σ = 13106616216750. Its totient is φ = 3495097657792.

The previous prime is 6990195315583. The next prime is 6990195315617. The reversal of 6990195315592 is 2955135910996.

It can be written as a sum of positive squares in only one way, i.e., 6190970043556 + 799225272036 = 2488166^2 + 893994^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (64) 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 as a sum of consecutive naturals, namely, 436887207217 + ... + 436887207232.

Almost surely, 2^{6990195315592} is an apocalyptic number.

It is an amenable number.

6990195315592 is a deficient number, since it is larger than the sum of its proper divisors (6116420901158).

6990195315592 is a wasteful number, since it uses less digits than its factorization.

6990195315592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873774414455 (or 873774414451 counting only the distinct ones).

The product of its (nonzero) digits is 29524500, while the sum is 64.

The spelling of 6990195315592 in words is "six trillion, nine hundred ninety billion, one hundred ninety-five million, three hundred fifteen thousand, five hundred ninety-two".