1334455779 has 4 divisors (see below), whose sum is σ = 1779274376. Its totient is φ = 889637184.

The previous prime is 1334455777. The next prime is 1334455789. The reversal of 1334455779 is 9775544331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1334455779 - 2¹ = 1334455777 is a prime.

It is a super-2 number, since 2×1334455779² = 3561544452212993682, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1334455777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222409294 + ... + 222409299.

It is an arithmetic number, because the mean of its divisors is an integer number (444818594).

Almost surely, 2^1334455779 is an apocalyptic number.

1334455779 is a deficient number, since it is larger than the sum of its proper divisors (444818597).

1334455779 is an equidigital number, since it uses as much as digits as its factorization.

1334455779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444818596.

The product of its digits is 1587600, while the sum is 48.

The square root of 1334455779 is about 36530.2036539628. The cubic root of 1334455779 is about 1100.9511824988.

The spelling of 1334455779 in words is "one billion, three hundred thirty-four million, four hundred fifty-five thousand, seven hundred seventy-nine".