368946491 has 2 divisors, whose sum is σ = 368946492. Its totient is φ = 368946490.

The previous prime is 368946481. The next prime is 368946509. The reversal of 368946491 is 194649863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 368946491 - 2¹⁸ = 368684347 is a prime.

It is a super-2 number, since 2×368946491² = 272243026442426162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (368946481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184473245 + 184473246.

It is an arithmetic number, because the mean of its divisors is an integer number (184473246).

Almost surely, 2^368946491 is an apocalyptic number.

368946491 is a deficient number, since it is larger than the sum of its proper divisors (1).

368946491 is an equidigital number, since it uses as much as digits as its factorization.

368946491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 368946491 is about 19207.9798781652. The cubic root of 368946491 is about 717.2234182668.

The spelling of 368946491 in words is "three hundred sixty-eight million, nine hundred forty-six thousand, four hundred ninety-one".