1427867653 has 2 divisors, whose sum is σ = 1427867654. Its totient is φ = 1427867652.

The previous prime is 1427867641. The next prime is 1427867713. The reversal of 1427867653 is 3567687241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1427479524 + 388129 = 37782^2 + 623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427867653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1427867597 and 1427867606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427867453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713933826 + 713933827.

It is an arithmetic number, because the mean of its divisors is an integer number (713933827).

Almost surely, 2^1427867653 is an apocalyptic number.

It is an amenable number.

1427867653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427867653 is an equidigital number, since it uses as much as digits as its factorization.

1427867653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 49.

The square root of 1427867653 is about 37787.1360783005. The cubic root of 1427867653 is about 1126.0629040572.

The spelling of 1427867653 in words is "one billion, four hundred twenty-seven million, eight hundred sixty-seven thousand, six hundred fifty-three".