6502520690 has 16 divisors (see below), whose sum is σ = 11706508800. Its totient is φ = 2600570160.

The previous prime is 6502520663. The next prime is 6502520699. The reversal of 6502520690 is 960252056.

It is a super-2 number, since 2×6502520690² = 84565550647756152200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6502520690.

It is not an unprimeable number, because it can be changed into a prime (6502520699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11375 + ... + 114605.

It is an arithmetic number, because the mean of its divisors is an integer number (731656800).

Almost surely, 2^6502520690 is an apocalyptic number.

6502520690 is a deficient number, since it is larger than the sum of its proper divisors (5203988110).

6502520690 is a wasteful number, since it uses less digits than its factorization.

6502520690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109537.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6502520690 is about 80638.2086234559. The cubic root of 6502520690 is about 1866.4967909114.

The spelling of 6502520690 in words is "six billion, five hundred two million, five hundred twenty thousand, six hundred ninety".