7004923090889 has 4 divisors (see below), whose sum is σ = 7004995899924. Its totient is φ = 7004850281856.

The previous prime is 7004923090861. The next prime is 7004923090943. The reversal of 7004923090889 is 9880903294007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2549425342864 + 4455497748025 = 1596692^2 + 2110805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7004923090889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7004923090829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36260012 + ... + 36452685.

It is an arithmetic number, because the mean of its divisors is an integer number (1751248974981).

Almost surely, 2^{7004923090889} is an apocalyptic number.

It is an amenable number.

7004923090889 is a deficient number, since it is larger than the sum of its proper divisors (72809035).

7004923090889 is an equidigital number, since it uses as much as digits as its factorization.

7004923090889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72809034.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 7004923090889 in words is "seven trillion, four billion, nine hundred twenty-three million, ninety thousand, eight hundred eighty-nine".