6863555492 has 12 divisors (see below), whose sum is σ = 12028361436. Its totient is φ = 3426880800.

The previous prime is 6863555473. The next prime is 6863555521. The reversal of 6863555492 is 2945553686.

It can be written as a sum of positive squares in 2 ways, for example, as 3612731236 + 3250824256 = 60106^2 + 57016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221083 + ... + 1226690.

It is an arithmetic number, because the mean of its divisors is an integer number (1002363453).

Almost surely, 2^6863555492 is an apocalyptic number.

It is an amenable number.

6863555492 is a deficient number, since it is larger than the sum of its proper divisors (5164805944).

6863555492 is a wasteful number, since it uses less digits than its factorization.

6863555492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448478 (or 2448476 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 53.

The square root of 6863555492 is about 82846.5780343401. The cubic root of 6863555492 is about 1900.4205432911.

The spelling of 6863555492 in words is "six billion, eight hundred sixty-three million, five hundred fifty-five thousand, four hundred ninety-two".