45921251263 has 16 divisors (see below), whose sum is σ = 47442732480. Its totient is φ = 44415302400.

The previous prime is 45921251249. The next prime is 45921251269. The reversal of 45921251263 is 36215212954.

It is a cyclic number.

It is not a de Polignac number, because 45921251263 - 2¹⁷ = 45921120191 is a prime.

It is a super-3 number, since 3×45921251263³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45921251269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4559253 + ... + 4569313.

It is an arithmetic number, because the mean of its divisors is an integer number (2965170780).

Almost surely, 2^45921251263 is an apocalyptic number.

45921251263 is a deficient number, since it is larger than the sum of its proper divisors (1521481217).

45921251263 is a wasteful number, since it uses less digits than its factorization.

45921251263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818.

The product of its digits is 129600, while the sum is 40.

The spelling of 45921251263 in words is "forty-five billion, nine hundred twenty-one million, two hundred fifty-one thousand, two hundred sixty-three".