2381000052881 has 2 divisors, whose sum is σ = 2381000052882. Its totient is φ = 2381000052880.

The previous prime is 2381000052877. The next prime is 2381000052989. The reversal of 2381000052881 is 1882500001832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1894366849600 + 486633203281 = 1376360^2 + 697591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2381000052881 - 2² = 2381000052877 is a prime.

It is a super-2 number, since 2×2381000052881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2381000052181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190500026440 + 1190500026441.

It is an arithmetic number, because the mean of its divisors is an integer number (1190500026441).

Almost surely, 2^{2381000052881} is an apocalyptic number.

It is an amenable number.

2381000052881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381000052881 is an equidigital number, since it uses as much as digits as its factorization.

2381000052881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 2381000052881 in words is "two trillion, three hundred eighty-one billion, fifty-two thousand, eight hundred eighty-one".