12893429377939 has 32 divisors (see below), whose sum is σ = 14658166010880. Its totient is φ = 11238973478400.

The previous prime is 12893429377919. The next prime is 12893429377951. The reversal of 12893429377939 is 93977392439821.

It is a cyclic number.

It is not a de Polignac number, because 12893429377939 - 2¹¹ = 12893429375891 is a prime.

It is a super-2 number, since 2×12893429377939² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12893429377909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8216059 + ... + 9658699.

It is an arithmetic number, because the mean of its divisors is an integer number (458067687840).

Almost surely, 2^{12893429377939} is an apocalyptic number.

12893429377939 is a deficient number, since it is larger than the sum of its proper divisors (1764736632941).

12893429377939 is a wasteful number, since it uses less digits than its factorization.

12893429377939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443051.

The product of its digits is 1111065984, while the sum is 76.

The spelling of 12893429377939 in words is "twelve trillion, eight hundred ninety-three billion, four hundred twenty-nine million, three hundred seventy-seven thousand, nine hundred thirty-nine".