1472937447257 has 2 divisors, whose sum is σ = 1472937447258. Its totient is φ = 1472937447256.

The previous prime is 1472937447239. The next prime is 1472937447307. The reversal of 1472937447257 is 7527447392741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1076829591616 + 396107855641 = 1037704^2 + 629371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472937447257 - 2⁸ = 1472937447001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1472937447257.

It is not a weakly prime, because it can be changed into another prime (1472937444257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736468723628 + 736468723629.

It is an arithmetic number, because the mean of its divisors is an integer number (736468723629).

Almost surely, 2^{1472937447257} is an apocalyptic number.

It is an amenable number.

1472937447257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1472937447257 is an equidigital number, since it uses as much as digits as its factorization.

1472937447257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82978560, while the sum is 62.

The spelling of 1472937447257 in words is "one trillion, four hundred seventy-two billion, nine hundred thirty-seven million, four hundred forty-seven thousand, two hundred fifty-seven".