650790036344449 has 8 divisors (see below), whose sum is σ = 671488556917248. Its totient is φ = 630377012607360.

The previous prime is 650790036344423. The next prime is 650790036344489. The reversal of 650790036344449 is 944443630097056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650790036344449 is a prime.

It is a super-2 number, since 2×650790036344449² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650790036344489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71374204297 + ... + 71374213414.

It is an arithmetic number, because the mean of its divisors is an integer number (83936069614656).

Almost surely, 2^{650790036344449} is an apocalyptic number.

It is an amenable number.

650790036344449 is a deficient number, since it is larger than the sum of its proper divisors (20698520572799).

650790036344449 is a wasteful number, since it uses less digits than its factorization.

650790036344449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142748417855.

The product of its (nonzero) digits is 235146240, while the sum is 64.

The spelling of 650790036344449 in words is "six hundred fifty trillion, seven hundred ninety billion, thirty-six million, three hundred forty-four thousand, four hundred forty-nine".