2037721492 has 12 divisors (see below), whose sum is σ = 3567310740. Its totient is φ = 1018489856.

The previous prime is 2037721487. The next prime is 2037721493. The reversal of 2037721492 is 2941277302.

It can be written as a sum of positive squares in 2 ways, for example, as 1345715856 + 692005636 = 36684^2 + 26306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2037721493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80173 + ... + 102484.

It is an arithmetic number, because the mean of its divisors is an integer number (297275895).

Almost surely, 2^2037721492 is an apocalyptic number.

It is an amenable number.

2037721492 is a deficient number, since it is larger than the sum of its proper divisors (1529589248).

2037721492 is a wasteful number, since it uses less digits than its factorization.

2037721492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185450 (or 185448 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2037721492 is about 45141.1286079557. The cubic root of 2037721492 is about 1267.7927834286.

Adding to 2037721492 its reverse (2941277302), we get a palindrome (4978998794).

The spelling of 2037721492 in words is "two billion, thirty-seven million, seven hundred twenty-one thousand, four hundred ninety-two".