4451406113257 has 2 divisors, whose sum is σ = 4451406113258. Its totient is φ = 4451406113256.

The previous prime is 4451406113239. The next prime is 4451406113261. The reversal of 4451406113257 is 7523116041544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3617817027136 + 833589086121 = 1902056^2 + 913011^2 .

It is a cyclic number.

It is not a de Polignac number, because 4451406113257 - 2¹¹ = 4451406111209 is a prime.

It is a super-2 number, since 2×4451406113257² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4451403113257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2225703056628 + 2225703056629.

It is an arithmetic number, because the mean of its divisors is an integer number (2225703056629).

Almost surely, 2^{4451406113257} is an apocalyptic number.

It is an amenable number.

4451406113257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4451406113257 is an equidigital number, since it uses as much as digits as its factorization.

4451406113257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 4451406113257 in words is "four trillion, four hundred fifty-one billion, four hundred six million, one hundred thirteen thousand, two hundred fifty-seven".