1334011649 has 2 divisors, whose sum is σ = 1334011650. Its totient is φ = 1334011648.

The previous prime is 1334011631. The next prime is 1334011691. The reversal of 1334011649 is 9461104331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1273062400 + 60949249 = 35680^2 + 7807^2 .

It is a cyclic number.

It is not a de Polignac number, because 1334011649 - 2¹⁶ = 1333946113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1334011849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667005824 + 667005825.

It is an arithmetic number, because the mean of its divisors is an integer number (667005825).

Almost surely, 2^1334011649 is an apocalyptic number.

It is an amenable number.

1334011649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334011649 is an equidigital number, since it uses as much as digits as its factorization.

1334011649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1334011649 is about 36524.1242057903. The cubic root of 1334011649 is about 1100.8290304046.

The spelling of 1334011649 in words is "one billion, three hundred thirty-four million, eleven thousand, six hundred forty-nine".