472145727266231 has 2 divisors, whose sum is σ = 472145727266232. Its totient is φ = 472145727266230.

The previous prime is 472145727266189. The next prime is 472145727266249. The reversal of 472145727266231 is 132662727541274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472145727266231 - 2²² = 472145723071927 is a prime.

It is a super-2 number, since 2×472145727266231² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472145727266261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236072863633115 + 236072863633116.

It is an arithmetic number, because the mean of its divisors is an integer number (236072863633116).

Almost surely, 2^{472145727266231} is an apocalyptic number.

472145727266231 is a deficient number, since it is larger than the sum of its proper divisors (1).

472145727266231 is an equidigital number, since it uses as much as digits as its factorization.

472145727266231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47416320, while the sum is 59.

The spelling of 472145727266231 in words is "four hundred seventy-two trillion, one hundred forty-five billion, seven hundred twenty-seven million, two hundred sixty-six thousand, two hundred thirty-one".