7980580657943 has 2 divisors, whose sum is σ = 7980580657944. Its totient is φ = 7980580657942.

The previous prime is 7980580657883. The next prime is 7980580658021. The reversal of 7980580657943 is 3497560850897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7980580657943 - 2²⁶ = 7980513549079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7980580656943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3990290328971 + 3990290328972.

It is an arithmetic number, because the mean of its divisors is an integer number (3990290328972).

Almost surely, 2^{7980580657943} is an apocalyptic number.

7980580657943 is a deficient number, since it is larger than the sum of its proper divisors (1).

7980580657943 is an equidigital number, since it uses as much as digits as its factorization.

7980580657943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 457228800, while the sum is 71.

The spelling of 7980580657943 in words is "seven trillion, nine hundred eighty billion, five hundred eighty million, six hundred fifty-seven thousand, nine hundred forty-three".