4392557880749 has 2 divisors, whose sum is σ = 4392557880750. Its totient is φ = 4392557880748.

The previous prime is 4392557880719. The next prime is 4392557880773. The reversal of 4392557880749 is 9470887552934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4392557880649 + 100 = 2095843^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 4392557880749 - 2⁸ = 4392557880493 is a prime.

It is a super-2 number, since 2×4392557880749² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4392557880719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2196278940374 + 2196278940375.

It is an arithmetic number, because the mean of its divisors is an integer number (2196278940375).

Almost surely, 2^{4392557880749} is an apocalyptic number.

It is an amenable number.

4392557880749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4392557880749 is an equidigital number, since it uses as much as digits as its factorization.

4392557880749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 609638400, while the sum is 71.

The spelling of 4392557880749 in words is "four trillion, three hundred ninety-two billion, five hundred fifty-seven million, eight hundred eighty thousand, seven hundred forty-nine".