45663036421 has 2 divisors, whose sum is σ = 45663036422. Its totient is φ = 45663036420.

The previous prime is 45663036413. The next prime is 45663036467. The reversal of 45663036421 is 12463036654.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36645444900 + 9017591521 = 191430^2 + 94961^2 .

It is a cyclic number.

It is not a de Polignac number, because 45663036421 - 2³ = 45663036413 is a prime.

It is a super-2 number, since 2×45663036421² (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 (45663036481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22831518210 + 22831518211.

It is an arithmetic number, because the mean of its divisors is an integer number (22831518211).

Almost surely, 2^45663036421 is an apocalyptic number.

It is an amenable number.

45663036421 is a deficient number, since it is larger than the sum of its proper divisors (1).

45663036421 is an equidigital number, since it uses as much as digits as its factorization.

45663036421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 45663036421 in words is "forty-five billion, six hundred sixty-three million, thirty-six thousand, four hundred twenty-one".