6487700290 has 32 divisors (see below), whose sum is σ = 12340408320. Its totient is φ = 2448912384.

The previous prime is 6487700269. The next prime is 6487700341. The reversal of 6487700290 is 920077846.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17602 + ... + 115261.

It is an arithmetic number, because the mean of its divisors is an integer number (385637760).

Almost surely, 2^6487700290 is an apocalyptic number.

6487700290 is a deficient number, since it is larger than the sum of its proper divisors (5852708030).

6487700290 is a wasteful number, since it uses less digits than its factorization.

6487700290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133146.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 6487700290 is about 80546.2618002847. The cubic root of 6487700290 is about 1865.0776862943.

The spelling of 6487700290 in words is "six billion, four hundred eighty-seven million, seven hundred thousand, two hundred ninety".