352490005691 has 2 divisors, whose sum is σ = 352490005692. Its totient is φ = 352490005690.

The previous prime is 352490005631. The next prime is 352490005709. The reversal of 352490005691 is 196500094253.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352490005691 is a prime.

It is a super-2 number, since 2×352490005691² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (352490005631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176245002845 + 176245002846.

It is an arithmetic number, because the mean of its divisors is an integer number (176245002846).

Almost surely, 2^352490005691 is an apocalyptic number.

352490005691 is a deficient number, since it is larger than the sum of its proper divisors (1).

352490005691 is an equidigital number, since it uses as much as digits as its factorization.

352490005691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 352490005691 in words is "three hundred fifty-two billion, four hundred ninety million, five thousand, six hundred ninety-one".