274406195851 has 2 divisors, whose sum is σ = 274406195852. Its totient is φ = 274406195850.

The previous prime is 274406195849. The next prime is 274406195867. The reversal of 274406195851 is 158591604472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274406195851 - 2¹ = 274406195849 is a prime.

It is a super-2 number, since 2×274406195851² (a number of 24 digits) contains 22 as substring.

Together with 274406195849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (274406195831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137203097925 + 137203097926.

It is an arithmetic number, because the mean of its divisors is an integer number (137203097926).

Almost surely, 2^274406195851 is an apocalyptic number.

274406195851 is a deficient number, since it is larger than the sum of its proper divisors (1).

274406195851 is an equidigital number, since it uses as much as digits as its factorization.

274406195851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 274406195851 in words is "two hundred seventy-four billion, four hundred six million, one hundred ninety-five thousand, eight hundred fifty-one".