6129407231 has 4 divisors (see below), whose sum is σ = 6129739512. Its totient is φ = 6129074952.

The previous prime is 6129407227. The next prime is 6129407233. The reversal of 6129407231 is 1327049216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6129407231 - 2² = 6129407227 is a prime.

It is a super-2 number, since 2×6129407231² = 75139266006870174722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6129407191 and 6129407200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6129407233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136736 + ... + 175941.

It is an arithmetic number, because the mean of its divisors is an integer number (1532434878).

Almost surely, 2^6129407231 is an apocalyptic number.

6129407231 is a deficient number, since it is larger than the sum of its proper divisors (332281).

6129407231 is a wasteful number, since it uses less digits than its factorization.

6129407231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332280.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 6129407231 is about 78290.5309153029. The cubic root of 6129407231 is about 1830.0915907656.

The spelling of 6129407231 in words is "six billion, one hundred twenty-nine million, four hundred seven thousand, two hundred thirty-one".