690380074511 has 2 divisors, whose sum is σ = 690380074512. Its totient is φ = 690380074510.

The previous prime is 690380074499. The next prime is 690380074513. The reversal of 690380074511 is 115470083096.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690380074511 is a prime.

Together with 690380074513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690380074513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345190037255 + 345190037256.

It is an arithmetic number, because the mean of its divisors is an integer number (345190037256).

Almost surely, 2^690380074511 is an apocalyptic number.

690380074511 is a deficient number, since it is larger than the sum of its proper divisors (1).

690380074511 is an equidigital number, since it uses as much as digits as its factorization.

690380074511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 690380074511 in words is "six hundred ninety billion, three hundred eighty million, seventy-four thousand, five hundred eleven".