2037087821 has 2 divisors, whose sum is σ = 2037087822. Its totient is φ = 2037087820.

The previous prime is 2037087809. The next prime is 2037087823. The reversal of 2037087821 is 1287807302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1863217225 + 173870596 = 43165^2 + 13186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2037087821 - 2²² = 2032893517 is a prime.

Together with 2037087823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2037087823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1018543910 + 1018543911.

It is an arithmetic number, because the mean of its divisors is an integer number (1018543911).

Almost surely, 2^2037087821 is an apocalyptic number.

It is an amenable number.

2037087821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2037087821 is an equidigital number, since it uses as much as digits as its factorization.

2037087821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 2037087821 is about 45134.1092855503. The cubic root of 2037087821 is about 1267.6613544752.

The spelling of 2037087821 in words is "two billion, thirty-seven million, eighty-seven thousand, eight hundred twenty-one".