7429768231 has 4 divisors (see below), whose sum is σ = 7531545952. Its totient is φ = 7327990512.

The previous prime is 7429768207. The next prime is 7429768243. The reversal of 7429768231 is 1328679247.

It is a happy number.

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 7429768231 - 2³¹ = 5282284583 is a prime.

It is a super-2 number, since 2×7429768231² (a number of 21 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 (7429768331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50888751 + ... + 50888896.

It is an arithmetic number, because the mean of its divisors is an integer number (1882886488).

Almost surely, 2^7429768231 is an apocalyptic number.

7429768231 is a deficient number, since it is larger than the sum of its proper divisors (101777721).

7429768231 is a wasteful number, since it uses less digits than its factorization.

7429768231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101777720.

The product of its digits is 1016064, while the sum is 49.

The square root of 7429768231 is about 86196.1033400002. The cubic root of 7429768231 is about 1951.3046917194.

The spelling of 7429768231 in words is "seven billion, four hundred twenty-nine million, seven hundred sixty-eight thousand, two hundred thirty-one".