45894979479 has 16 divisors (see below), whose sum is σ = 63216681984. Its totient is φ = 29586508800.

The previous prime is 45894979469. The next prime is 45894979489. The reversal of 45894979479 is 97497949854.

It is an interprime number because it is at equal distance from previous prime (45894979469) and next prime (45894979489).

It is a de Polignac number, because none of the positive numbers 2^k-45894979479 is a prime.

It is a super-2 number, since 2×45894979479² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45894979479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45894979409) 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, 73002 + ... + 311639.

It is an arithmetic number, because the mean of its divisors is an integer number (3951042624).

Almost surely, 2^45894979479 is an apocalyptic number.

45894979479 is a deficient number, since it is larger than the sum of its proper divisors (17321702505).

45894979479 is a wasteful number, since it uses less digits than its factorization.

45894979479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385958.

The product of its digits is 823011840, while the sum is 75.

The spelling of 45894979479 in words is "forty-five billion, eight hundred ninety-four million, nine hundred seventy-nine thousand, four hundred seventy-nine".