12929061838 has 16 divisors (see below), whose sum is σ = 24179025024. Its totient is φ = 5037296760.

The previous prime is 12929061797. The next prime is 12929061949. The reversal of 12929061838 is 83816092921.

It is a junction number, because it is equal to n+sod(n) for n = 12929061791 and 12929061800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41977320 + ... + 41977627.

It is an arithmetic number, because the mean of its divisors is an integer number (1511189064).

Almost surely, 2^12929061838 is an apocalyptic number.

12929061838 is a deficient number, since it is larger than the sum of its proper divisors (11249963186).

12929061838 is a wasteful number, since it uses less digits than its factorization.

12929061838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83954967.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 12929061838 in words is "twelve billion, nine hundred twenty-nine million, sixty-one thousand, eight hundred thirty-eight".