45321884731 has 2 divisors, whose sum is σ = 45321884732. Its totient is φ = 45321884730.

The previous prime is 45321884659. The next prime is 45321884759. The reversal of 45321884731 is 13748812354.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45321884731 is a prime.

It is a super-2 number, since 2×45321884731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45321884761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22660942365 + 22660942366.

It is an arithmetic number, because the mean of its divisors is an integer number (22660942366).

Almost surely, 2^45321884731 is an apocalyptic number.

45321884731 is a deficient number, since it is larger than the sum of its proper divisors (1).

45321884731 is an equidigital number, since it uses as much as digits as its factorization.

45321884731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 46.

The spelling of 45321884731 in words is "forty-five billion, three hundred twenty-one million, eight hundred eighty-four thousand, seven hundred thirty-one".