45583810981 has 2 divisors, whose sum is σ = 45583810982. Its totient is φ = 45583810980.

The previous prime is 45583810919. The next prime is 45583811003. The reversal of 45583810981 is 18901838554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38567068225 + 7016742756 = 196385^2 + 83766^2 .

It is a cyclic number.

It is not a de Polignac number, because 45583810981 - 2¹⁵ = 45583778213 is a prime.

It is a super-2 number, since 2×45583810981² (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 (45583810381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22791905490 + 22791905491.

It is an arithmetic number, because the mean of its divisors is an integer number (22791905491).

Almost surely, 2^45583810981 is an apocalyptic number.

It is an amenable number.

45583810981 is a deficient number, since it is larger than the sum of its proper divisors (1).

45583810981 is an equidigital number, since it uses as much as digits as its factorization.

45583810981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 52.

The spelling of 45583810981 in words is "forty-five billion, five hundred eighty-three million, eight hundred ten thousand, nine hundred eighty-one".