1427435953 has 2 divisors, whose sum is σ = 1427435954. Its totient is φ = 1427435952.

The previous prime is 1427435939. The next prime is 1427435963. The reversal of 1427435953 is 3595347241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1262878369 + 164557584 = 35537^2 + 12828^2 .

It is an emirp because it is prime and its reverse (3595347241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427435953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427435963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713717976 + 713717977.

It is an arithmetic number, because the mean of its divisors is an integer number (713717977).

Almost surely, 2^1427435953 is an apocalyptic number.

It is an amenable number.

1427435953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427435953 is an equidigital number, since it uses as much as digits as its factorization.

1427435953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 43.

The square root of 1427435953 is about 37781.4233850447. The cubic root of 1427435953 is about 1125.9494083949.

The spelling of 1427435953 in words is "one billion, four hundred twenty-seven million, four hundred thirty-five thousand, nine hundred fifty-three".