442350000749 has 2 divisors, whose sum is σ = 442350000750. Its totient is φ = 442350000748.

The previous prime is 442350000731. The next prime is 442350000817. The reversal of 442350000749 is 947000053244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329799815524 + 112550185225 = 574282^2 + 335485^2 .

It is a cyclic number.

It is not a de Polignac number, because 442350000749 - 2⁸ = 442350000493 is a prime.

It is a super-2 number, since 2×442350000749² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442350000649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221175000374 + 221175000375.

It is an arithmetic number, because the mean of its divisors is an integer number (221175000375).

Almost surely, 2^442350000749 is an apocalyptic number.

It is an amenable number.

442350000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

442350000749 is an equidigital number, since it uses as much as digits as its factorization.

442350000749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 442350000749 in words is "four hundred forty-two billion, three hundred fifty million, seven hundred forty-nine", and thus it is an aban number.