27426890419 has 2 divisors, whose sum is σ = 27426890420. Its totient is φ = 27426890418.

The previous prime is 27426890399. The next prime is 27426890437. The reversal of 27426890419 is 91409862472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27426890419 - 2¹⁹ = 27426366131 is a prime.

It is a super-2 number, since 2×27426890419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27426893419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13713445209 + 13713445210.

It is an arithmetic number, because the mean of its divisors is an integer number (13713445210).

Almost surely, 2^27426890419 is an apocalyptic number.

27426890419 is a deficient number, since it is larger than the sum of its proper divisors (1).

27426890419 is an equidigital number, since it uses as much as digits as its factorization.

27426890419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 27426890419 in words is "twenty-seven billion, four hundred twenty-six million, eight hundred ninety thousand, four hundred nineteen".