45651321139 has 2 divisors, whose sum is σ = 45651321140. Its totient is φ = 45651321138.

The previous prime is 45651321113. The next prime is 45651321143. The reversal of 45651321139 is 93112315654.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45651321139 - 2³¹ = 43503837491 is a prime.

It is a super-2 number, since 2×45651321139² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45651321839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22825660569 + 22825660570.

It is an arithmetic number, because the mean of its divisors is an integer number (22825660570).

Almost surely, 2^45651321139 is an apocalyptic number.

45651321139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45651321139 is an equidigital number, since it uses as much as digits as its factorization.

45651321139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 40.

The spelling of 45651321139 in words is "forty-five billion, six hundred fifty-one million, three hundred twenty-one thousand, one hundred thirty-nine".