1426432297 has 2 divisors, whose sum is σ = 1426432298. Its totient is φ = 1426432296.

The previous prime is 1426432261. The next prime is 1426432349. The reversal of 1426432297 is 7922346241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941507856 + 484924441 = 30684^2 + 22021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426432297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1426432237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713216148 + 713216149.

It is an arithmetic number, because the mean of its divisors is an integer number (713216149).

Almost surely, 2^1426432297 is an apocalyptic number.

It is an amenable number.

1426432297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426432297 is an equidigital number, since it uses as much as digits as its factorization.

1426432297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 1426432297 is about 37768.1386488665. The cubic root of 1426432297 is about 1125.6854547332.

The spelling of 1426432297 in words is "one billion, four hundred twenty-six million, four hundred thirty-two thousand, two hundred ninety-seven".