45017986623 has 16 divisors (see below), whose sum is σ = 63944388480. Its totient is φ = 28089850464.

The previous prime is 45017986583. The next prime is 45017986649. The reversal of 45017986623 is 32668971054.

It is not a de Polignac number, because 45017986623 - 2¹⁷ = 45017855551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45017986523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4753036 + ... + 4762497.

It is an arithmetic number, because the mean of its divisors is an integer number (3996524280).

It is a 1-persistent number, because it is pandigital, but 2⋅45017986623 = 90035973246 is not.

Almost surely, 2^45017986623 is an apocalyptic number.

45017986623 is a deficient number, since it is larger than the sum of its proper divisors (18926401857).

45017986623 is a wasteful number, since it uses less digits than its factorization.

45017986623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9515638.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 45017986623 in words is "forty-five billion, seventeen million, nine hundred eighty-six thousand, six hundred twenty-three".