472426203656639 has 2 divisors, whose sum is σ = 472426203656640. Its totient is φ = 472426203656638.

The previous prime is 472426203656599. The next prime is 472426203656657. The reversal of 472426203656639 is 936656302624274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472426203656639 - 2¹⁶ = 472426203591103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472426203655639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236213101828319 + 236213101828320.

It is an arithmetic number, because the mean of its divisors is an integer number (236213101828320).

Almost surely, 2^{472426203656639} is an apocalyptic number.

472426203656639 is a deficient number, since it is larger than the sum of its proper divisors (1).

472426203656639 is an equidigital number, since it uses as much as digits as its factorization.

472426203656639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470292480, while the sum is 65.

The spelling of 472426203656639 in words is "four hundred seventy-two trillion, four hundred twenty-six billion, two hundred three million, six hundred fifty-six thousand, six hundred thirty-nine".