497973832639 has 2 divisors, whose sum is σ = 497973832640. Its totient is φ = 497973832638.

The previous prime is 497973832549. The next prime is 497973832709. The reversal of 497973832639 is 936238379794.

It is an a-pointer prime, because the next prime (497973832709) can be obtained adding 497973832639 to its sum of digits (70).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497973832639 - 2⁹ = 497973832127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (497973812639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248986916319 + 248986916320.

It is an arithmetic number, because the mean of its divisors is an integer number (248986916320).

Almost surely, 2^497973832639 is an apocalyptic number.

497973832639 is a deficient number, since it is larger than the sum of its proper divisors (1).

497973832639 is an equidigital number, since it uses as much as digits as its factorization.

497973832639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370355328, while the sum is 70.

The spelling of 497973832639 in words is "four hundred ninety-seven billion, nine hundred seventy-three million, eight hundred thirty-two thousand, six hundred thirty-nine".