27374122609 has 2 divisors, whose sum is σ = 27374122610. Its totient is φ = 27374122608.

The previous prime is 27374122571. The next prime is 27374122621. The reversal of 27374122609 is 90622147372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20063872609 + 7310250000 = 141647^2 + 85500^2 .

It is a cyclic number.

It is not a de Polignac number, because 27374122609 - 2¹⁷ = 27373991537 is a prime.

It is a super-2 number, since 2×27374122609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27374192609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13687061304 + 13687061305.

It is an arithmetic number, because the mean of its divisors is an integer number (13687061305).

Almost surely, 2^27374122609 is an apocalyptic number.

It is an amenable number.

27374122609 is a deficient number, since it is larger than the sum of its proper divisors (1).

27374122609 is an equidigital number, since it uses as much as digits as its factorization.

27374122609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 27374122609 in words is "twenty-seven billion, three hundred seventy-four million, one hundred twenty-two thousand, six hundred nine".