2901881141 has 2 divisors, whose sum is σ = 2901881142. Its totient is φ = 2901881140.

The previous prime is 2901881137. The next prime is 2901881173. The reversal of 2901881141 is 1411881092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2756775025 + 145106116 = 52505^2 + 12046^2 .

It is a cyclic number.

It is not a de Polignac number, because 2901881141 - 2² = 2901881137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2901883141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450940570 + 1450940571.

It is an arithmetic number, because the mean of its divisors is an integer number (1450940571).

Almost surely, 2^2901881141 is an apocalyptic number.

It is an amenable number.

2901881141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2901881141 is an equidigital number, since it uses as much as digits as its factorization.

2901881141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 2901881141 is about 53869.1111955636. Note that the first 4 decimals coincide. The cubic root of 2901881141 is about 1426.3514239704.

The spelling of 2901881141 in words is "two billion, nine hundred one million, eight hundred eighty-one thousand, one hundred forty-one".