5111946729 has 24 divisors (see below), whose sum is σ = 7431869952. Its totient is φ = 3385882080.

The previous prime is 5111946709. The next prime is 5111946731. The reversal of 5111946729 is 9276491115.

5111946729 is a `hidden beast` number, since 51 + 119 + 467 + 29 = 666.

It is not a de Polignac number, because 5111946729 - 2²⁰ = 5110898153 is a prime.

It is a super-2 number, since 2×5111946729² = 52263998720267598882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5111946709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1997919 + ... + 2000475.

It is an arithmetic number, because the mean of its divisors is an integer number (309661248).

Almost surely, 2^5111946729 is an apocalyptic number.

It is an amenable number.

5111946729 is a deficient number, since it is larger than the sum of its proper divisors (2319923223).

5111946729 is a wasteful number, since it uses less digits than its factorization.

5111946729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3914 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 5111946729 is about 71497.8791923229. The cubic root of 5111946729 is about 1722.6436191542.

The spelling of 5111946729 in words is "five billion, one hundred eleven million, nine hundred forty-six thousand, seven hundred twenty-nine".