2137653478205 has 8 divisors (see below), whose sum is σ = 2931639055872. Its totient is φ = 1465819527888.

The previous prime is 2137653478117. The next prime is 2137653478249. The reversal of 2137653478205 is 5028743567312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2137653478205 - 2²⁴ = 2137636700989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30537906797 + ... + 30537906866.

It is an arithmetic number, because the mean of its divisors is an integer number (366454881984).

Almost surely, 2^{2137653478205} is an apocalyptic number.

It is an amenable number.

2137653478205 is a deficient number, since it is larger than the sum of its proper divisors (793985577667).

2137653478205 is an equidigital number, since it uses as much as digits as its factorization.

2137653478205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61075813675.

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 2137653478205 in words is "two trillion, one hundred thirty-seven billion, six hundred fifty-three million, four hundred seventy-eight thousand, two hundred five".