2037564491 has 2 divisors, whose sum is σ = 2037564492. Its totient is φ = 2037564490.

The previous prime is 2037564481. The next prime is 2037564493. The reversal of 2037564491 is 1944657302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2037564491 - 2¹⁸ = 2037302347 is a prime.

Together with 2037564493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2037564493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018782245 + 1018782246.

It is an arithmetic number, because the mean of its divisors is an integer number (1018782246).

Almost surely, 2^2037564491 is an apocalyptic number.

2037564491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037564491 is an equidigital number, since it uses as much as digits as its factorization.

2037564491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2037564491 is about 45139.3895727446. The cubic root of 2037564491 is about 1267.7602225761.

The spelling of 2037564491 in words is "two billion, thirty-seven million, five hundred sixty-four thousand, four hundred ninety-one".