12784740590739 has 16 divisors (see below), whose sum is σ = 18406792275872. Its totient is φ = 7846440081408.

The previous prime is 12784740590689. The next prime is 12784740590759. The reversal of 12784740590739 is 93709504748721.

It is not a de Polignac number, because 12784740590739 - 2¹¹ = 12784740588691 is a prime.

It is a super-2 number, since 2×12784740590739² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12784740590739.

It is not an unprimeable number, because it can be changed into a prime (12784740590759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439414222 + ... + 439443315.

It is an arithmetic number, because the mean of its divisors is an integer number (1150424517242).

Almost surely, 2^{12784740590739} is an apocalyptic number.

12784740590739 is a deficient number, since it is larger than the sum of its proper divisors (5622051685133).

12784740590739 is a wasteful number, since it uses less digits than its factorization.

12784740590739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878857926.

The product of its (nonzero) digits is 106686720, while the sum is 66.

The spelling of 12784740590739 in words is "twelve trillion, seven hundred eighty-four billion, seven hundred forty million, five hundred ninety thousand, seven hundred thirty-nine".