6881434562 has 4 divisors (see below), whose sum is σ = 10322151846. Its totient is φ = 3440717280.

The previous prime is 6881434541. The next prime is 6881434579. The reversal of 6881434562 is 2654341886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5347850641 + 1533583921 = 73129^2 + 39161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720358639 + ... + 1720358642.

Almost surely, 2^6881434562 is an apocalyptic number.

6881434562 is a deficient number, since it is larger than the sum of its proper divisors (3440717284).

6881434562 is a wasteful number, since it uses less digits than its factorization.

6881434562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440717283.

The product of its digits is 1105920, while the sum is 47.

The square root of 6881434562 is about 82954.4125529197. The cubic root of 6881434562 is about 1902.0692656082.

The spelling of 6881434562 in words is "six billion, eight hundred eighty-one million, four hundred thirty-four thousand, five hundred sixty-two".