472457553774247 has 2 divisors, whose sum is σ = 472457553774248. Its totient is φ = 472457553774246.

The previous prime is 472457553774139. The next prime is 472457553774253. The reversal of 472457553774247 is 742477355754274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472457553774247 is a prime.

It is a super-2 number, since 2×472457553774247² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472457553774247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472457553774347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236228776887123 + 236228776887124.

It is an arithmetic number, because the mean of its divisors is an integer number (236228776887124).

Almost surely, 2^{472457553774247} is an apocalyptic number.

472457553774247 is a deficient number, since it is larger than the sum of its proper divisors (1).

472457553774247 is an equidigital number, since it uses as much as digits as its factorization.

472457553774247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6453888000, while the sum is 73.

The spelling of 472457553774247 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, five hundred fifty-three million, seven hundred seventy-four thousand, two hundred forty-seven".