39429894053673 has 48 divisors (see below), whose sum is σ = 61117950114000. Its totient is φ = 24407858872320.

The previous prime is 39429894053651. The next prime is 39429894053677. The reversal of 39429894053673 is 37635049892493.

39429894053673 is a `hidden beast` number, since 3 + 9 + 4 + 2 + 9 + 89 + 4 + 0 + 536 + 7 + 3 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 244197070569 + 39185696983104 = 494163^2 + 6259848^2 .

It is not a de Polignac number, because 39429894053673 - 2¹⁰ = 39429894052649 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 2889493 + ... + 9338573.

It is an arithmetic number, because the mean of its divisors is an integer number (1273290627375).

Almost surely, 2^{39429894053673} is an apocalyptic number.

It is an amenable number.

39429894053673 is a deficient number, since it is larger than the sum of its proper divisors (21688056060327).

39429894053673 is a wasteful number, since it uses less digits than its factorization.

39429894053673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6449642 (or 6449639 counting only the distinct ones).

The product of its (nonzero) digits is 1058158080, while the sum is 72.

The spelling of 39429894053673 in words is "thirty-nine trillion, four hundred twenty-nine billion, eight hundred ninety-four million, fifty-three thousand, six hundred seventy-three".