9880431643 has 8 divisors (see below), whose sum is σ = 10101106512. Its totient is φ = 9661910016.

The previous prime is 9880431607. The next prime is 9880431679. The reversal of 9880431643 is 3461340889.

It is an interprime number because it is at equal distance from previous prime (9880431607) and next prime (9880431679).

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

It is a cyclic number.

It is not a de Polignac number, because 9880431643 - 2⁹ = 9880431131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9880431593 and 9880431602.

It is not an unprimeable number, because it can be changed into a prime (9880437643) 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, 529030 + ... + 547387.

It is an arithmetic number, because the mean of its divisors is an integer number (1262638314).

Almost surely, 2^9880431643 is an apocalyptic number.

9880431643 is a deficient number, since it is larger than the sum of its proper divisors (220674869).

9880431643 is a wasteful number, since it uses less digits than its factorization.

9880431643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076621.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 9880431643 is about 99400.3603766103. The cubic root of 9880431643 is about 2145.8134969146.

The spelling of 9880431643 in words is "nine billion, eight hundred eighty million, four hundred thirty-one thousand, six hundred forty-three".