4609368732491 has 2 divisors, whose sum is σ = 4609368732492. Its totient is φ = 4609368732490.

The previous prime is 4609368732443. The next prime is 4609368732497. The reversal of 4609368732491 is 1942378639064.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4609368732491 - 2²⁶ = 4609301623627 is a prime.

It is a super-2 number, since 2×4609368732491² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4609368732497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2304684366245 + 2304684366246.

It is an arithmetic number, because the mean of its divisors is an integer number (2304684366246).

Almost surely, 2^{4609368732491} is an apocalyptic number.

4609368732491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4609368732491 is an equidigital number, since it uses as much as digits as its factorization.

4609368732491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 62.

The spelling of 4609368732491 in words is "four trillion, six hundred nine billion, three hundred sixty-eight million, seven hundred thirty-two thousand, four hundred ninety-one".