6900090313 has 2 divisors, whose sum is σ = 6900090314. Its totient is φ = 6900090312.

The previous prime is 6900090311. The next prime is 6900090343. The reversal of 6900090313 is 3130900096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3907125049 + 2992965264 = 62507^2 + 54708^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900090313 - 2¹ = 6900090311 is a prime.

It is a super-2 number, since 2×6900090313² = 95222492655112875938, which contains 22 as substring.

Together with 6900090311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6900090311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450045156 + 3450045157.

It is an arithmetic number, because the mean of its divisors is an integer number (3450045157).

Almost surely, 2^6900090313 is an apocalyptic number.

It is an amenable number.

6900090313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900090313 is an equidigital number, since it uses as much as digits as its factorization.

6900090313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 6900090313 is about 83066.7822477794. The cubic root of 6900090313 is about 1903.7865680105.

The spelling of 6900090313 in words is "six billion, nine hundred million, ninety thousand, three hundred thirteen".