6289718020 has 12 divisors (see below), whose sum is σ = 13208407884. Its totient is φ = 2515887200.

The previous prime is 6289718009. The next prime is 6289718093. The reversal of 6289718020 is 208179826.

It can be written as a sum of positive squares in 2 ways, for example, as 1425213504 + 4864504516 = 37752^2 + 69746^2 .

It is a super-2 number, since 2×6289718020² = 79121105542225440800, which contains 22 as substring.

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, 157242931 + ... + 157242970.

It is an arithmetic number, because the mean of its divisors is an integer number (1100700657).

Almost surely, 2^6289718020 is an apocalyptic number.

It is an amenable number.

6289718020 is an abundant number, since it is smaller than the sum of its proper divisors (6918689864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6289718020 is a wasteful number, since it uses less digits than its factorization.

6289718020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314485910 (or 314485908 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 6289718020 is about 79307.7424971862. The cubic root of 6289718020 is about 1845.9094445847.

The spelling of 6289718020 in words is "six billion, two hundred eighty-nine million, seven hundred eighteen thousand, twenty".