2691204127 has 2 divisors, whose sum is σ = 2691204128. Its totient is φ = 2691204126.

The previous prime is 2691204119. The next prime is 2691204157. The reversal of 2691204127 is 7214021962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2691204127 - 2³ = 2691204119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2691204092 and 2691204101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2691204157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345602063 + 1345602064.

It is an arithmetic number, because the mean of its divisors is an integer number (1345602064).

Almost surely, 2^2691204127 is an apocalyptic number.

2691204127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691204127 is an equidigital number, since it uses as much as digits as its factorization.

2691204127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2691204127 is about 51876.8168549305. The cubic root of 2691204127 is about 1390.9629004327.

The spelling of 2691204127 in words is "two billion, six hundred ninety-one million, two hundred four thousand, one hundred twenty-seven".