45954797721 has 32 divisors (see below), whose sum is σ = 71011953408. Its totient is φ = 25890554880.

The previous prime is 45954797719. The next prime is 45954797767. The reversal of 45954797721 is 12779745954.

It is not a de Polignac number, because 45954797721 - 2¹ = 45954797719 is a prime.

It is a super-2 number, since 2×45954797721² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45954797321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7043941 + ... + 7050461.

It is an arithmetic number, because the mean of its divisors is an integer number (2219123544).

Almost surely, 2^45954797721 is an apocalyptic number.

It is an amenable number.

45954797721 is a deficient number, since it is larger than the sum of its proper divisors (25057155687).

45954797721 is a wasteful number, since it uses less digits than its factorization.

45954797721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11201.

The product of its digits is 22226400, while the sum is 60.

The spelling of 45954797721 in words is "forty-five billion, nine hundred fifty-four million, seven hundred ninety-seven thousand, seven hundred twenty-one".