7931034889 has 2 divisors, whose sum is σ = 7931034890. Its totient is φ = 7931034888.

The previous prime is 7931034833. The next prime is 7931034893. The reversal of 7931034889 is 9884301397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5193652489 + 2737382400 = 72067^2 + 52320^2 .

It is a cyclic number.

It is not a de Polignac number, because 7931034889 - 2²⁵ = 7897480457 is a prime.

It is not a weakly prime, because it can be changed into another prime (7931034809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3965517444 + 3965517445.

It is an arithmetic number, because the mean of its divisors is an integer number (3965517445).

Almost surely, 2^7931034889 is an apocalyptic number.

It is an amenable number.

7931034889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7931034889 is an equidigital number, since it uses as much as digits as its factorization.

7931034889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 7931034889 is about 89056.3579369828. The cubic root of 7931034889 is about 1994.2363133305.

The spelling of 7931034889 in words is "seven billion, nine hundred thirty-one million, thirty-four thousand, eight hundred eighty-nine".