472457811879397 has 2 divisors, whose sum is σ = 472457811879398. Its totient is φ = 472457811879396.

The previous prime is 472457811879371. The next prime is 472457811879433. The reversal of 472457811879397 is 793978118754274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472331938773601 + 125873105796 = 21733199^2 + 354786^2 .

It is a cyclic number.

It is not a de Polignac number, because 472457811879397 - 2³¹ = 472455664395749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472457811879397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472457811879337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236228905939698 + 236228905939699.

It is an arithmetic number, because the mean of its divisors is an integer number (236228905939699).

Almost surely, 2^{472457811879397} is an apocalyptic number.

It is an amenable number.

472457811879397 is a deficient number, since it is larger than the sum of its proper divisors (1).

472457811879397 is an equidigital number, since it uses as much as digits as its factorization.

472457811879397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5974456320, while the sum is 82.

The spelling of 472457811879397 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, eight hundred eleven million, eight hundred seventy-nine thousand, three hundred ninety-seven".