7945509580889 has 8 divisors (see below), whose sum is σ = 7972856386560. Its totient is φ = 7918198270000.

The previous prime is 7945509580843. The next prime is 7945509580973. The reversal of 7945509580889 is 9880859055497.

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 7945509580889 - 2¹² = 7945509576793 is a prime.

It is a super-2 number, since 2×7945509580889² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7945509580819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8425187 + ... + 9320664.

It is an arithmetic number, because the mean of its divisors is an integer number (996607048320).

Almost surely, 2^{7945509580889} is an apocalyptic number.

It is an amenable number.

7945509580889 is a deficient number, since it is larger than the sum of its proper divisors (27346805671).

7945509580889 is a wasteful number, since it uses less digits than its factorization.

7945509580889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747391.

The product of its (nonzero) digits is 1306368000, while the sum is 77.

The spelling of 7945509580889 in words is "seven trillion, nine hundred forty-five billion, five hundred nine million, five hundred eighty thousand, eight hundred eighty-nine".