1427254769 has 2 divisors, whose sum is σ = 1427254770. Its totient is φ = 1427254768.

The previous prime is 1427254757. The next prime is 1427254793. The reversal of 1427254769 is 9674527241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1031244769 + 396010000 = 32113^2 + 19900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427254769 - 2⁸ = 1427254513 is a prime.

It is a super-2 number, since 2×1427254769² = 4074112351266486722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1427254469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713627384 + 713627385.

It is an arithmetic number, because the mean of its divisors is an integer number (713627385).

Almost surely, 2^1427254769 is an apocalyptic number.

It is an amenable number.

1427254769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427254769 is an equidigital number, since it uses as much as digits as its factorization.

1427254769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 1427254769 is about 37779.0255168129. The cubic root of 1427254769 is about 1125.9017675768.

It can be divided in two parts, 1427 and 254769, that multiplied together give a palindrome (363555363).

The spelling of 1427254769 in words is "one billion, four hundred twenty-seven million, two hundred fifty-four thousand, seven hundred sixty-nine".