6129706557 has 12 divisors (see below), whose sum is σ = 8849991264. Its totient is φ = 3772126800.

The previous prime is 6129706537. The next prime is 6129706571. The reversal of 6129706557 is 7556079216.

It is not a de Polignac number, because 6129706557 - 2¹⁵ = 6129673789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6129706537) 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, 6044569 + ... + 6045582.

It is an arithmetic number, because the mean of its divisors is an integer number (737499272).

Almost surely, 2^6129706557 is an apocalyptic number.

It is an amenable number.

6129706557 is a deficient number, since it is larger than the sum of its proper divisors (2720284707).

6129706557 is a wasteful number, since it uses less digits than its factorization.

6129706557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090180 (or 12090167 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The square root of 6129706557 is about 78292.4425279988. The cubic root of 6129706557 is about 1830.1213807631.

The spelling of 6129706557 in words is "six billion, one hundred twenty-nine million, seven hundred six thousand, five hundred fifty-seven".