2137426364465 has 16 divisors (see below), whose sum is σ = 2961547462272. Its totient is φ = 1450553854464.

The previous prime is 2137426364461. The next prime is 2137426364497. The reversal of 2137426364465 is 5644636247312.

It is a cyclic number.

It is not a de Polignac number, because 2137426364465 - 2² = 2137426364461 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2137426364461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314786939 + ... + 314793728.

It is an arithmetic number, because the mean of its divisors is an integer number (185096716392).

Almost surely, 2^{2137426364465} is an apocalyptic number.

It is an amenable number.

2137426364465 is a deficient number, since it is larger than the sum of its proper divisors (824121097807).

2137426364465 is an equidigital number, since it uses as much as digits as its factorization.

2137426364465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629580776.

The product of its digits is 17418240, while the sum is 53.

The spelling of 2137426364465 in words is "two trillion, one hundred thirty-seven billion, four hundred twenty-six million, three hundred sixty-four thousand, four hundred sixty-five".