45513617623 has 2 divisors, whose sum is σ = 45513617624. Its totient is φ = 45513617622.

The previous prime is 45513617593. The next prime is 45513617663. The reversal of 45513617623 is 32671631554.

45513617623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45513617623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45513617623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45513617663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756808811 + 22756808812.

It is an arithmetic number, because the mean of its divisors is an integer number (22756808812).

Almost surely, 2^45513617623 is an apocalyptic number.

45513617623 is a deficient number, since it is larger than the sum of its proper divisors (1).

45513617623 is an equidigital number, since it uses as much as digits as its factorization.

45513617623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The spelling of 45513617623 in words is "forty-five billion, five hundred thirteen million, six hundred seventeen thousand, six hundred twenty-three".