45612421653 has 4 divisors (see below), whose sum is σ = 60816562208. Its totient is φ = 30408281100.

The previous prime is 45612421639. The next prime is 45612421669. The reversal of 45612421653 is 35612421654.

45612421653 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45612421653 - 2¹³ = 45612413461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45612421633) 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, 7602070273 + ... + 7602070278.

It is an arithmetic number, because the mean of its divisors is an integer number (15204140552).

Almost surely, 2^45612421653 is an apocalyptic number.

It is an amenable number.

45612421653 is a deficient number, since it is larger than the sum of its proper divisors (15204140555).

45612421653 is a wasteful number, since it uses less digits than its factorization.

45612421653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204140554.

The product of its digits is 172800, while the sum is 39.

Subtracting from 45612421653 its reverse (35612421654), we obtain a palindrome (9999999999).

The spelling of 45612421653 in words is "forty-five billion, six hundred twelve million, four hundred twenty-one thousand, six hundred fifty-three".