2074151881 has 2 divisors, whose sum is σ = 2074151882. Its totient is φ = 2074151880.

The previous prime is 2074151869. The next prime is 2074151899. The reversal of 2074151881 is 1881514702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1873504656 + 200647225 = 43284^2 + 14165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2074151881 is a prime.

It is a super-2 number, since 2×2074151881² = 8604212050911676322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2074151881.

It is not a weakly prime, because it can be changed into another prime (2074151831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037075940 + 1037075941.

It is an arithmetic number, because the mean of its divisors is an integer number (1037075941).

Almost surely, 2^2074151881 is an apocalyptic number.

It is an amenable number.

2074151881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2074151881 is an equidigital number, since it uses as much as digits as its factorization.

2074151881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 2074151881 is about 45542.8576288313. The cubic root of 2074151881 is about 1275.3034020495.

The spelling of 2074151881 in words is "two billion, seventy-four million, one hundred fifty-one thousand, eight hundred eighty-one".