2731880057 has 2 divisors, whose sum is σ = 2731880058. Its totient is φ = 2731880056.

The previous prime is 2731880051. The next prime is 2731880101. The reversal of 2731880057 is 7500881372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1477941136 + 1253938921 = 38444^2 + 35411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2731880057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2731879996 and 2731880023.

It is not a weakly prime, because it can be changed into another prime (2731880051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365940028 + 1365940029.

It is an arithmetic number, because the mean of its divisors is an integer number (1365940029).

Almost surely, 2^2731880057 is an apocalyptic number.

It is an amenable number.

2731880057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731880057 is an equidigital number, since it uses as much as digits as its factorization.

2731880057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 2731880057 is about 52267.3899960578. The cubic root of 2731880057 is about 1397.9357430165.

The spelling of 2731880057 in words is "two billion, seven hundred thirty-one million, eight hundred eighty thousand, fifty-seven".