1426444651 has 2 divisors, whose sum is σ = 1426444652. Its totient is φ = 1426444650.

The previous prime is 1426444573. The next prime is 1426444661. The reversal of 1426444651 is 1564446241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1426444651 - 2¹⁷ = 1426313579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1426444651.

It is not a weakly prime, because it can be changed into another prime (1426444661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713222325 + 713222326.

It is an arithmetic number, because the mean of its divisors is an integer number (713222326).

Almost surely, 2^1426444651 is an apocalyptic number.

1426444651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426444651 is an equidigital number, since it uses as much as digits as its factorization.

1426444651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 37.

The square root of 1426444651 is about 37768.3021990663. The cubic root of 1426444651 is about 1125.6887044909.

The spelling of 1426444651 in words is "one billion, four hundred twenty-six million, four hundred forty-four thousand, six hundred fifty-one".