7649068131 has 12 divisors (see below), whose sum is σ = 11049728352. Its totient is φ = 5098882896.

The previous prime is 7649068121. The next prime is 7649068139. The reversal of 7649068131 is 1318609467.

It is a happy number.

7649068131 is a `hidden beast` number, since 76 + 490 + 68 + 1 + 31 = 666.

It is not a de Polignac number, because 7649068131 - 2⁷ = 7649068003 is a prime.

It is a super-2 number, since 2×7649068131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7649068139) 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, 73030 + ... + 143636.

It is an arithmetic number, because the mean of its divisors is an integer number (920810696).

Almost surely, 2^7649068131 is an apocalyptic number.

7649068131 is a deficient number, since it is larger than the sum of its proper divisors (3400660221).

7649068131 is a wasteful number, since it uses less digits than its factorization.

7649068131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82650 (or 82647 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 7649068131 is about 87458.9511199397. The cubic root of 7649068131 is about 1970.3173263809.

The spelling of 7649068131 in words is "seven billion, six hundred forty-nine million, sixty-eight thousand, one hundred thirty-one".