45994972905 has 64 divisors (see below), whose sum is σ = 94357585920. Its totient is φ = 20822090688.

The previous prime is 45994972901. The next prime is 45994972939. The reversal of 45994972905 is 50927949954.

45994972905 is a `hidden beast` number, since 4 + 59 + 9 + 497 + 2 + 90 + 5 = 666.

It is not a de Polignac number, because 45994972905 - 2² = 45994972901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (45994972901) 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 in 63 ways as a sum of consecutive naturals, for example, 138937 + ... + 333606.

It is an arithmetic number, because the mean of its divisors is an integer number (1474337280).

Almost surely, 2^45994972905 is an apocalyptic number.

45994972905 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45994972905 is an abundant number, since it is smaller than the sum of its proper divisors (48362613015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45994972905 is a wasteful number, since it uses less digits than its factorization.

45994972905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472667 (or 472661 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 45994972905 in words is "forty-five billion, nine hundred ninety-four million, nine hundred seventy-two thousand, nine hundred five".