497739253779 has 10 divisors (see below), whose sum is σ = 743536416260. Its totient is φ = 331826169132.

The previous prime is 497739253763. The next prime is 497739253819. The reversal of 497739253779 is 977352937794.

497739253779 is a `hidden beast` number, since 497 + 7 + 39 + 2 + 5 + 37 + 79 = 666.

It is not a de Polignac number, because 497739253779 - 2⁴ = 497739253763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497739253079) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3072464449 + ... + 3072464610.

It is an arithmetic number, because the mean of its divisors is an integer number (74353641626).

Almost surely, 2^497739253779 is an apocalyptic number.

497739253779 is a deficient number, since it is larger than the sum of its proper divisors (245797162481).

497739253779 is an equidigital number, since it uses as much as digits as its factorization.

497739253779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144929071 (or 6144929062 counting only the distinct ones).

The product of its digits is 630118440, while the sum is 72.

The spelling of 497739253779 in words is "four hundred ninety-seven billion, seven hundred thirty-nine million, two hundred fifty-three thousand, seven hundred seventy-nine".