7691149031 has 4 divisors (see below), whose sum is σ = 7691557032. Its totient is φ = 7690741032.

The previous prime is 7691148977. The next prime is 7691149051. The reversal of 7691149031 is 1309411967.

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 7691149031 - 2³⁰ = 6617407207 is a prime.

It is a super-2 number, since 2×7691149031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7691149031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7691149051) 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, 174281 + ... + 213906.

It is an arithmetic number, because the mean of its divisors is an integer number (1922889258).

Almost surely, 2^7691149031 is an apocalyptic number.

7691149031 is a deficient number, since it is larger than the sum of its proper divisors (408001).

7691149031 is a wasteful number, since it uses less digits than its factorization.

7691149031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408000.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 7691149031 is about 87699.1962962033. The cubic root of 7691149031 is about 1973.9239157271.

The spelling of 7691149031 in words is "seven billion, six hundred ninety-one million, one hundred forty-nine thousand, thirty-one".