445673700737 has 2 divisors, whose sum is σ = 445673700738. Its totient is φ = 445673700736.

The previous prime is 445673700727. The next prime is 445673700757. The reversal of 445673700737 is 737007376544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410049403201 + 35624297536 = 640351^2 + 188744^2 .

It is a cyclic number.

It is not a de Polignac number, because 445673700737 - 2¹⁶ = 445673635201 is a prime.

It is a super-2 number, since 2×445673700737² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445673700727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222836850368 + 222836850369.

It is an arithmetic number, because the mean of its divisors is an integer number (222836850369).

Almost surely, 2^445673700737 is an apocalyptic number.

It is an amenable number.

445673700737 is a deficient number, since it is larger than the sum of its proper divisors (1).

445673700737 is an equidigital number, since it uses as much as digits as its factorization.

445673700737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10372320, while the sum is 53.

The spelling of 445673700737 in words is "four hundred forty-five billion, six hundred seventy-three million, seven hundred thousand, seven hundred thirty-seven".