442431100011389 has 2 divisors, whose sum is σ = 442431100011390. Its totient is φ = 442431100011388.

The previous prime is 442431100011337. The next prime is 442431100011427. The reversal of 442431100011389 is 983110001134244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226748333167225 + 215682766844164 = 15058165^2 + 14686142^2 .

It is a cyclic number.

It is not a de Polignac number, because 442431100011389 - 2¹² = 442431100007293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442431100001389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221215550005694 + 221215550005695.

It is an arithmetic number, because the mean of its divisors is an integer number (221215550005695).

Almost surely, 2^{442431100011389} is an apocalyptic number.

It is an amenable number.

442431100011389 is a deficient number, since it is larger than the sum of its proper divisors (1).

442431100011389 is an equidigital number, since it uses as much as digits as its factorization.

442431100011389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 442431100011389 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred million, eleven thousand, three hundred eighty-nine".