7630432989 has 8 divisors (see below), whose sum is σ = 10174406592. Its totient is φ = 5086707360.

The previous prime is 7630432987. The next prime is 7630432993. The reversal of 7630432989 is 9892340367.

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

It is not a de Polignac number, because 7630432989 - 2¹ = 7630432987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630432981) 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, 28809 + ... + 126849.

It is an arithmetic number, because the mean of its divisors is an integer number (1271800824).

Almost surely, 2^7630432989 is an apocalyptic number.

It is an amenable number.

7630432989 is a deficient number, since it is larger than the sum of its proper divisors (2543973603).

7630432989 is a wasteful number, since it uses less digits than its factorization.

7630432989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123987.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 7630432989 is about 87352.3496478486. The cubic root of 7630432989 is about 1968.7159547935.

The spelling of 7630432989 in words is "seven billion, six hundred thirty million, four hundred thirty-two thousand, nine hundred eighty-nine".