464172170551 has 2 divisors, whose sum is σ = 464172170552. Its totient is φ = 464172170550.

The previous prime is 464172170519. The next prime is 464172170611. The reversal of 464172170551 is 155071271464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464172170551 - 2⁵ = 464172170519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 464172170498 and 464172170507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464172170851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232086085275 + 232086085276.

It is an arithmetic number, because the mean of its divisors is an integer number (232086085276).

Almost surely, 2^464172170551 is an apocalyptic number.

464172170551 is a deficient number, since it is larger than the sum of its proper divisors (1).

464172170551 is an equidigital number, since it uses as much as digits as its factorization.

464172170551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 464172170551 in words is "four hundred sixty-four billion, one hundred seventy-two million, one hundred seventy thousand, five hundred fifty-one".