2146605037637 has 4 divisors (see below), whose sum is σ = 2148103018860. Its totient is φ = 2145107056416.

The previous prime is 2146605037553. The next prime is 2146605037649. The reversal of 2146605037637 is 7367305066412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 797474004196 + 1349131033441 = 893014^2 + 1161521^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146605037637 - 2¹⁰ = 2146605036613 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 (2146605037667) 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, 748988462 + ... + 748991327.

It is an arithmetic number, because the mean of its divisors is an integer number (537025754715).

Almost surely, 2^{2146605037637} is an apocalyptic number.

It is an amenable number.

2146605037637 is a deficient number, since it is larger than the sum of its proper divisors (1497981223).

2146605037637 is a wasteful number, since it uses less digits than its factorization.

2146605037637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497981222.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 2146605037637 in words is "two trillion, one hundred forty-six billion, six hundred five million, thirty-seven thousand, six hundred thirty-seven".