690477474413 has 2 divisors, whose sum is σ = 690477474414. Its totient is φ = 690477474412.

The previous prime is 690477474409. The next prime is 690477474437. The reversal of 690477474413 is 314474774096.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538032519049 + 152444955364 = 733507^2 + 390442^2 .

It is a cyclic number.

It is not a de Polignac number, because 690477474413 - 2² = 690477474409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690477474443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345238737206 + 345238737207.

It is an arithmetic number, because the mean of its divisors is an integer number (345238737207).

Almost surely, 2^690477474413 is an apocalyptic number.

It is an amenable number.

690477474413 is a deficient number, since it is larger than the sum of its proper divisors (1).

690477474413 is an equidigital number, since it uses as much as digits as its factorization.

690477474413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 690477474413 in words is "six hundred ninety billion, four hundred seventy-seven million, four hundred seventy-four thousand, four hundred thirteen".