6490815113 has 2 divisors, whose sum is σ = 6490815114. Its totient is φ = 6490815112.

The previous prime is 6490815109. The next prime is 6490815137. The reversal of 6490815113 is 3115180946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4799302729 + 1691512384 = 69277^2 + 41128^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490815113 - 2² = 6490815109 is a prime.

It is a super-2 number, since 2×6490815113² = 84261361662298405538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6490815173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245407556 + 3245407557.

It is an arithmetic number, because the mean of its divisors is an integer number (3245407557).

Almost surely, 2^6490815113 is an apocalyptic number.

It is an amenable number.

6490815113 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490815113 is an equidigital number, since it uses as much as digits as its factorization.

6490815113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 6490815113 is about 80565.5950949287. The cubic root of 6490815113 is about 1865.3761206210.

The spelling of 6490815113 in words is "six billion, four hundred ninety million, eight hundred fifteen thousand, one hundred thirteen".