1330279478739 has 12 divisors (see below), whose sum is σ = 1921614567600. Its totient is φ = 886806940464.

The previous prime is 1330279478729. The next prime is 1330279478741. The reversal of 1330279478739 is 9378749720331.

1330279478739 is a `hidden beast` number, since 133 + 0 + 27 + 9 + 478 + 7 + 3 + 9 = 666.

It is not a de Polignac number, because 1330279478739 - 2²³ = 1330271090131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330279478729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3653679 + ... + 4001240.

It is an arithmetic number, because the mean of its divisors is an integer number (160134547300).

Almost surely, 2^{1330279478739} is an apocalyptic number.

1330279478739 is a deficient number, since it is larger than the sum of its proper divisors (591335088861).

1330279478739 is a wasteful number, since it uses less digits than its factorization.

1330279478739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7674234 (or 7674231 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 63.

The spelling of 1330279478739 in words is "one trillion, three hundred thirty billion, two hundred seventy-nine million, four hundred seventy-eight thousand, seven hundred thirty-nine".