374331402661 has 2 divisors, whose sum is σ = 374331402662. Its totient is φ = 374331402660.

The previous prime is 374331402623. The next prime is 374331402677. The reversal of 374331402661 is 166204133473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 258578352036 + 115753050625 = 508506^2 + 340225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-374331402661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (374331402691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187165701330 + 187165701331.

It is an arithmetic number, because the mean of its divisors is an integer number (187165701331).

Almost surely, 2^374331402661 is an apocalyptic number.

It is an amenable number.

374331402661 is a deficient number, since it is larger than the sum of its proper divisors (1).

374331402661 is an equidigital number, since it uses as much as digits as its factorization.

374331402661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 374331402661 in words is "three hundred seventy-four billion, three hundred thirty-one million, four hundred two thousand, six hundred sixty-one".