45217617461 has 4 divisors (see below), whose sum is σ = 45377397312. Its totient is φ = 45057837612.

The previous prime is 45217617439. The next prime is 45217617463. The reversal of 45217617461 is 16471671254.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45217617461 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 (45217617463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79889501 + ... + 79890066.

It is an arithmetic number, because the mean of its divisors is an integer number (11344349328).

Almost surely, 2^45217617461 is an apocalyptic number.

It is an amenable number.

45217617461 is a deficient number, since it is larger than the sum of its proper divisors (159779851).

45217617461 is a wasteful number, since it uses less digits than its factorization.

45217617461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159779850.

The product of its digits is 282240, while the sum is 44.

The spelling of 45217617461 in words is "forty-five billion, two hundred seventeen million, six hundred seventeen thousand, four hundred sixty-one".