2037645091 has 2 divisors, whose sum is σ = 2037645092. Its totient is φ = 2037645090.

The previous prime is 2037645089. The next prime is 2037645107. The reversal of 2037645091 is 1905467302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2037645091 - 2¹ = 2037645089 is a prime.

Together with 2037645089, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2037645091.

It is not a weakly prime, because it can be changed into another prime (2037645011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018822545 + 1018822546.

It is an arithmetic number, because the mean of its divisors is an integer number (1018822546).

Almost surely, 2^2037645091 is an apocalyptic number.

2037645091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037645091 is an equidigital number, since it uses as much as digits as its factorization.

2037645091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2037645091 is about 45140.2823540128. The cubic root of 2037645091 is about 1267.7769386321.

The spelling of 2037645091 in words is "two billion, thirty-seven million, six hundred forty-five thousand, ninety-one".