2723780531 has 2 divisors, whose sum is σ = 2723780532. Its totient is φ = 2723780530.

The previous prime is 2723780459. The next prime is 2723780537. The reversal of 2723780531 is 1350873272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2723780531 - 2²² = 2719586227 is a prime.

It is a super-2 number, since 2×2723780531² = 14837960762109283922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2723780537) 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, 1361890265 + 1361890266.

It is an arithmetic number, because the mean of its divisors is an integer number (1361890266).

Almost surely, 2^2723780531 is an apocalyptic number.

2723780531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723780531 is an equidigital number, since it uses as much as digits as its factorization.

2723780531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2723780531 is about 52189.8508428602. The cubic root of 2723780531 is about 1396.5528339381.

The spelling of 2723780531 in words is "two billion, seven hundred twenty-three million, seven hundred eighty thousand, five hundred thirty-one".