45791747641639 has 2 divisors, whose sum is σ = 45791747641640. Its totient is φ = 45791747641638.

The previous prime is 45791747641597. The next prime is 45791747641657. The reversal of 45791747641639 is 93614674719754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45791747641639 - 2¹³ = 45791747633447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45791747645639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22895873820819 + 22895873820820.

It is an arithmetic number, because the mean of its divisors is an integer number (22895873820820).

Almost surely, 2^{45791747641639} is an apocalyptic number.

45791747641639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45791747641639 is an equidigital number, since it uses as much as digits as its factorization.

45791747641639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960180480, while the sum is 73.

The spelling of 45791747641639 in words is "forty-five trillion, seven hundred ninety-one billion, seven hundred forty-seven million, six hundred forty-one thousand, six hundred thirty-nine".