37134488821 has 4 divisors (see below), whose sum is σ = 38138123692. Its totient is φ = 36130853952.

The previous prime is 37134488789. The next prime is 37134488827. The reversal of 37134488821 is 12888443173.

37134488821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12888443173 = 1597 ⋅8070409.

It can be written as a sum of positive squares in 2 ways, for example, as 16603611025 + 20530877796 = 128855^2 + 143286^2 .

It is a cyclic number.

It is not a de Polignac number, because 37134488821 - 2⁵ = 37134488789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37134488827) 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, 501817380 + ... + 501817453.

It is an arithmetic number, because the mean of its divisors is an integer number (9534530923).

Almost surely, 2^37134488821 is an apocalyptic number.

It is an amenable number.

37134488821 is a deficient number, since it is larger than the sum of its proper divisors (1003634871).

37134488821 is a wasteful number, since it uses less digits than its factorization.

37134488821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003634870.

The product of its digits is 1032192, while the sum is 49.

The spelling of 37134488821 in words is "thirty-seven billion, one hundred thirty-four million, four hundred eighty-eight thousand, eight hundred twenty-one".