611028472869 has 48 divisors (see below), whose sum is σ = 924299943424. Its totient is φ = 388495180800.

The previous prime is 611028472861. The next prime is 611028472921. The reversal of 611028472869 is 968274820116.

It is a happy number.

611028472869 is a `hidden beast` number, since 6 + 1 + 102 + 8 + 472 + 8 + 69 = 666.

It is not a de Polignac number, because 611028472869 - 2³ = 611028472861 is a prime.

It is a super-2 number, since 2×611028472869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611028472861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26404434 + ... + 26427564.

Almost surely, 2^611028472869 is an apocalyptic number.

It is an amenable number.

611028472869 is a deficient number, since it is larger than the sum of its proper divisors (313271470555).

611028472869 is a wasteful number, since it uses less digits than its factorization.

611028472869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538 (or 24535 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 611028472869 in words is "six hundred eleven billion, twenty-eight million, four hundred seventy-two thousand, eight hundred sixty-nine".