272227661731 has 2 divisors, whose sum is σ = 272227661732. Its totient is φ = 272227661730.

The previous prime is 272227661677. The next prime is 272227661777. The reversal of 272227661731 is 137166722272.

It is an a-pointer prime, because the next prime (272227661777) can be obtained adding 272227661731 to its sum of digits (46).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272227661731 - 2¹³ = 272227653539 is a prime.

It is a super-2 number, since 2×272227661731² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272227661131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136113830865 + 136113830866.

It is an arithmetic number, because the mean of its divisors is an integer number (136113830866).

Almost surely, 2^272227661731 is an apocalyptic number.

272227661731 is a deficient number, since it is larger than the sum of its proper divisors (1).

272227661731 is an equidigital number, since it uses as much as digits as its factorization.

272227661731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 46.

The spelling of 272227661731 in words is "two hundred seventy-two billion, two hundred twenty-seven million, six hundred sixty-one thousand, seven hundred thirty-one".