7643251092 has 12 divisors (see below), whose sum is σ = 17834252576. Its totient is φ = 2547750360.

The previous prime is 7643251069. The next prime is 7643251123. The reversal of 7643251092 is 2901523467.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7643251092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318468784 + ... + 318468807.

Almost surely, 2^7643251092 is an apocalyptic number.

It is an amenable number.

7643251092 is an abundant number, since it is smaller than the sum of its proper divisors (10191001484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7643251092 is a wasteful number, since it uses less digits than its factorization.

7643251092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636937598 (or 636937596 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 7643251092 is about 87425.6889706910. The cubic root of 7643251092 is about 1969.8177309098.

The spelling of 7643251092 in words is "seven billion, six hundred forty-three million, two hundred fifty-one thousand, ninety-two".