500470742565621 has 6 divisors (see below), whose sum is σ = 722902183705910. Its totient is φ = 333647161710408.

The previous prime is 500470742565613. The next prime is 500470742565637. The reversal of 500470742565621 is 126565247074005.

500470742565621 is a `hidden beast` number, since 5 + 0 + 0 + 4 + 7 + 0 + 7 + 4 + 2 + 5 + 6 + 5 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 263475032103396 + 236995710462225 = 16231914^2 + 15394665^2 .

It is not a de Polignac number, because 500470742565621 - 2³ = 500470742565613 is a prime.

It is a super-2 number, since 2×500470742565621² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500470742565641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27803930142526 + ... + 27803930142543.

Almost surely, 2^{500470742565621} is an apocalyptic number.

It is an amenable number.

500470742565621 is a deficient number, since it is larger than the sum of its proper divisors (222431441140289).

500470742565621 is a wasteful number, since it uses less digits than its factorization.

500470742565621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55607860285075 (or 55607860285072 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 500470742565621 in words is "five hundred trillion, four hundred seventy billion, seven hundred forty-two million, five hundred sixty-five thousand, six hundred twenty-one".