45055919651 has 4 divisors (see below), whose sum is σ = 45058935792. Its totient is φ = 45052903512.

The previous prime is 45055919611. The next prime is 45055919669. The reversal of 45055919651 is 15691955054.

45055919651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45055919651 - 2¹⁰ = 45055918627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45055919651.

It is not an unprimeable number, because it can be changed into a prime (45055919611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1485551 + ... + 1515576.

It is an arithmetic number, because the mean of its divisors is an integer number (11264733948).

Almost surely, 2^45055919651 is an apocalyptic number.

45055919651 is a deficient number, since it is larger than the sum of its proper divisors (3016141).

45055919651 is a wasteful number, since it uses less digits than its factorization.

45055919651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016140.

The product of its (nonzero) digits is 1215000, while the sum is 50.

The spelling of 45055919651 in words is "forty-five billion, fifty-five million, nine hundred nineteen thousand, six hundred fifty-one".