472246993 has 2 divisors, whose sum is σ = 472246994. Its totient is φ = 472246992.

The previous prime is 472246903. The next prime is 472246997. The reversal of 472246993 is 399642274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411765264 + 60481729 = 20292^2 + 7777^2 .

It is a cyclic number.

It is not a de Polignac number, because 472246993 - 2²⁵ = 438692561 is a prime.

It is not a weakly prime, because it can be changed into another prime (472246997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236123496 + 236123497.

It is an arithmetic number, because the mean of its divisors is an integer number (236123497).

Almost surely, 2^472246993 is an apocalyptic number.

It is an amenable number.

472246993 is a deficient number, since it is larger than the sum of its proper divisors (1).

472246993 is an equidigital number, since it uses as much as digits as its factorization.

472246993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 472246993 is about 21731.2446261138. The cubic root of 472246993 is about 778.7350706309.

It can be divided in two parts, 4722 and 46993, that added together give a palindrome (51715).

The spelling of 472246993 in words is "four hundred seventy-two million, two hundred forty-six thousand, nine hundred ninety-three".