45421643131 has 2 divisors, whose sum is σ = 45421643132. Its totient is φ = 45421643130.

The previous prime is 45421643123. The next prime is 45421643147. The reversal of 45421643131 is 13134612454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45421643131 - 2³ = 45421643123 is a prime.

It is a super-2 number, since 2×45421643131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45421643101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22710821565 + 22710821566.

It is an arithmetic number, because the mean of its divisors is an integer number (22710821566).

Almost surely, 2^45421643131 is an apocalyptic number.

45421643131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45421643131 is an equidigital number, since it uses as much as digits as its factorization.

45421643131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The spelling of 45421643131 in words is "forty-five billion, four hundred twenty-one million, six hundred forty-three thousand, one hundred thirty-one".