2137566105929 has 4 divisors (see below), whose sum is σ = 2195338162884. Its totient is φ = 2079794048976.

The previous prime is 2137566105907. The next prime is 2137566105937. The reversal of 2137566105929 is 9295016657312.

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 1255403720704 + 882162385225 = 1120448^2 + 939235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2137566105929 - 2⁸ = 2137566105673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137566105029) 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, 28886028422 + ... + 28886028495.

It is an arithmetic number, because the mean of its divisors is an integer number (548834540721).

Almost surely, 2^{2137566105929} is an apocalyptic number.

It is an amenable number.

2137566105929 is a deficient number, since it is larger than the sum of its proper divisors (57772056955).

2137566105929 is an equidigital number, since it uses as much as digits as its factorization.

2137566105929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57772056954.

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 2137566105929 in words is "two trillion, one hundred thirty-seven billion, five hundred sixty-six million, one hundred five thousand, nine hundred twenty-nine".