618497976429 has 12 divisors (see below), whose sum is σ = 908031638332. Its totient is φ = 405572443200.

The previous prime is 618497976413. The next prime is 618497976443. The reversal of 618497976429 is 924679794816.

618497976429 is a `hidden beast` number, since 6 + 1 + 8 + 497 + 97 + 6 + 42 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 275517910404 + 342980066025 = 524898^2 + 585645^2 .

It is not a de Polignac number, because 618497976429 - 2⁴ = 618497976413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618497976479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563294512 + ... + 563295609.

Almost surely, 2^618497976429 is an apocalyptic number.

It is an amenable number.

618497976429 is a deficient number, since it is larger than the sum of its proper divisors (289533661903).

618497976429 is a wasteful number, since it uses less digits than its factorization.

618497976429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126590188 (or 1126590185 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The spelling of 618497976429 in words is "six hundred eighteen billion, four hundred ninety-seven million, nine hundred seventy-six thousand, four hundred twenty-nine".