39429894053674 has 32 divisors (see below), whose sum is σ = 61234626499200. Its totient is φ = 19030508048832.

The previous prime is 39429894053651. The next prime is 39429894053677. The reversal of 39429894053674 is 47635049892493.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 39429894053597 and 39429894053606.

It is not an unprimeable number, because it can be changed into a prime (39429894053677) 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, 5450149 + ... + 10419400.

It is an arithmetic number, because the mean of its divisors is an integer number (1913582078100).

Almost surely, 2^{39429894053674} is an apocalyptic number.

39429894053674 is a deficient number, since it is larger than the sum of its proper divisors (21804732445526).

39429894053674 is a wasteful number, since it uses less digits than its factorization.

39429894053674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15869934.

The product of its (nonzero) digits is 1410877440, while the sum is 73.

The spelling of 39429894053674 in words is "thirty-nine trillion, four hundred twenty-nine billion, eight hundred ninety-four million, fifty-three thousand, six hundred seventy-four".