45949357669 has 2 divisors, whose sum is σ = 45949357670. Its totient is φ = 45949357668.

The previous prime is 45949357639. The next prime is 45949357673. The reversal of 45949357669 is 96675394954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44770328100 + 1179029569 = 211590^2 + 34337^2 .

It is a cyclic number.

It is not a de Polignac number, because 45949357669 - 2⁵ = 45949357637 is a prime.

It is a super-2 number, since 2×45949357669² (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 (45949357639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22974678834 + 22974678835.

It is an arithmetic number, because the mean of its divisors is an integer number (22974678835).

Almost surely, 2^45949357669 is an apocalyptic number.

It is an amenable number.

45949357669 is a deficient number, since it is larger than the sum of its proper divisors (1).

45949357669 is an equidigital number, since it uses as much as digits as its factorization.

45949357669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220449600, while the sum is 67.

The spelling of 45949357669 in words is "forty-five billion, nine hundred forty-nine million, three hundred fifty-seven thousand, six hundred sixty-nine".