2137146491657 has 4 divisors (see below), whose sum is σ = 2137151565840. Its totient is φ = 2137141417476.

The previous prime is 2137146491651. The next prime is 2137146491707. The reversal of 2137146491657 is 7561946417312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2137146491657 - 2³⁶ = 2068427014921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137146491651) 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, 1841807 + ... + 2768852.

It is an arithmetic number, because the mean of its divisors is an integer number (534287891460).

Almost surely, 2^{2137146491657} is an apocalyptic number.

It is an amenable number.

2137146491657 is a deficient number, since it is larger than the sum of its proper divisors (5074183).

2137146491657 is an equidigital number, since it uses as much as digits as its factorization.

2137146491657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074182.

The product of its digits is 7620480, while the sum is 56.

The spelling of 2137146491657 in words is "two trillion, one hundred thirty-seven billion, one hundred forty-six million, four hundred ninety-one thousand, six hundred fifty-seven".