471244455251 has 2 divisors, whose sum is σ = 471244455252. Its totient is φ = 471244455250.

The previous prime is 471244455239. The next prime is 471244455277. The reversal of 471244455251 is 152554442174.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-471244455251 is a prime.

It is not a weakly prime, because it can be changed into another prime (471244452251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235622227625 + 235622227626.

It is an arithmetic number, because the mean of its divisors is an integer number (235622227626).

Almost surely, 2^471244455251 is an apocalyptic number.

471244455251 is a deficient number, since it is larger than the sum of its proper divisors (1).

471244455251 is an equidigital number, since it uses as much as digits as its factorization.

471244455251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896000, while the sum is 44.

The spelling of 471244455251 in words is "four hundred seventy-one billion, two hundred forty-four million, four hundred fifty-five thousand, two hundred fifty-one".