7659363921 has 8 divisors (see below), whose sum is σ = 11140893024. Its totient is φ = 4642038720.

The previous prime is 7659363911. The next prime is 7659363947. The reversal of 7659363921 is 1293639567.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7659363921 - 2⁷ = 7659363793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7659363911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116050936 + ... + 116051001.

It is an arithmetic number, because the mean of its divisors is an integer number (1392611628).

Almost surely, 2^7659363921 is an apocalyptic number.

It is an amenable number.

7659363921 is a deficient number, since it is larger than the sum of its proper divisors (3481529103).

7659363921 is a wasteful number, since it uses less digits than its factorization.

7659363921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232101951.

The product of its digits is 1837080, while the sum is 51.

The square root of 7659363921 is about 87517.7920253933. The cubic root of 7659363921 is about 1971.2009581345.

The spelling of 7659363921 in words is "seven billion, six hundred fifty-nine million, three hundred sixty-three thousand, nine hundred twenty-one".