611654248899 has 6 divisors (see below), whose sum is σ = 883500581756. Its totient is φ = 407769499260.

The previous prime is 611654248859. The next prime is 611654248901. The reversal of 611654248899 is 998842456116.

611654248899 is a `hidden beast` number, since 6 + 1 + 1 + 6 + 542 + 4 + 8 + 89 + 9 = 666.

It is not a de Polignac number, because 611654248899 - 2⁷ = 611654248771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611654248859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33980791597 + ... + 33980791614.

Almost surely, 2^611654248899 is an apocalyptic number.

611654248899 is a deficient number, since it is larger than the sum of its proper divisors (271846332857).

611654248899 is a wasteful number, since it uses less digits than its factorization.

611654248899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67961583217 (or 67961583214 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The spelling of 611654248899 in words is "six hundred eleven billion, six hundred fifty-four million, two hundred forty-eight thousand, eight hundred ninety-nine".