1254346838881 has 2 divisors, whose sum is σ = 1254346838882. Its totient is φ = 1254346838880.

The previous prime is 1254346838813. The next prime is 1254346838903. The reversal of 1254346838881 is 1888386434521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1163127738256 + 91219100625 = 1078484^2 + 302025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254346838881 - 2³¹ = 1252199355233 is a prime.

It is a super-2 number, since 2×1254346838881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1254346838581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627173419440 + 627173419441.

It is an arithmetic number, because the mean of its divisors is an integer number (627173419441).

Almost surely, 2^{1254346838881} is an apocalyptic number.

It is an amenable number.

1254346838881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254346838881 is an equidigital number, since it uses as much as digits as its factorization.

1254346838881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35389440, while the sum is 61.

The spelling of 1254346838881 in words is "one trillion, two hundred fifty-four billion, three hundred forty-six million, eight hundred thirty-eight thousand, eight hundred eighty-one".