45193670677 has 2 divisors, whose sum is σ = 45193670678. Its totient is φ = 45193670676.

The previous prime is 45193670657. The next prime is 45193670701. The reversal of 45193670677 is 77607639154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44971988356 + 221682321 = 212066^2 + 14889^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45193670677 is a prime.

It is a super-2 number, since 2×45193670677² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45193670657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22596835338 + 22596835339.

It is an arithmetic number, because the mean of its divisors is an integer number (22596835339).

Almost surely, 2^45193670677 is an apocalyptic number.

It is an amenable number.

45193670677 is a deficient number, since it is larger than the sum of its proper divisors (1).

45193670677 is an equidigital number, since it uses as much as digits as its factorization.

45193670677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 45193670677 in words is "forty-five billion, one hundred ninety-three million, six hundred seventy thousand, six hundred seventy-seven".