45646263557 has 2 divisors, whose sum is σ = 45646263558. Its totient is φ = 45646263556.

The previous prime is 45646263547. The next prime is 45646263569. The reversal of 45646263557 is 75536264654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38956495876 + 6689767681 = 197374^2 + 81791^2 .

It is a cyclic number.

It is not a de Polignac number, because 45646263557 - 2⁶ = 45646263493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45646263499 and 45646263508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45646263527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22823131778 + 22823131779.

It is an arithmetic number, because the mean of its divisors is an integer number (22823131779).

Almost surely, 2^45646263557 is an apocalyptic number.

It is an amenable number.

45646263557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45646263557 is an equidigital number, since it uses as much as digits as its factorization.

45646263557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144000, while the sum is 53.

The spelling of 45646263557 in words is "forty-five billion, six hundred forty-six million, two hundred sixty-three thousand, five hundred fifty-seven".