1927342206157 has 2 divisors, whose sum is σ = 1927342206158. Its totient is φ = 1927342206156.

The previous prime is 1927342206151. The next prime is 1927342206169. The reversal of 1927342206157 is 7516022437291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1547949035556 + 379393170601 = 1244166^2 + 615949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1927342206157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1927342206157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1927342206151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963671103078 + 963671103079.

It is an arithmetic number, because the mean of its divisors is an integer number (963671103079).

Almost surely, 2^{1927342206157} is an apocalyptic number.

It is an amenable number.

1927342206157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1927342206157 is an equidigital number, since it uses as much as digits as its factorization.

1927342206157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 1927342206157 in words is "one trillion, nine hundred twenty-seven billion, three hundred forty-two million, two hundred six thousand, one hundred fifty-seven".