39974047653 has 8 divisors (see below), whose sum is σ = 53300789248. Its totient is φ = 26648335584.

The previous prime is 39974047643. The next prime is 39974047661. The reversal of 39974047653 is 35674047993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39974047653 - 2²² = 39969853349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39974047593 and 39974047602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39974047613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161701 + ... + 325722.

It is an arithmetic number, because the mean of its divisors is an integer number (6662598656).

Almost surely, 2^39974047653 is an apocalyptic number.

It is an amenable number.

39974047653 is a deficient number, since it is larger than the sum of its proper divisors (13326741595).

39974047653 is a wasteful number, since it uses less digits than its factorization.

39974047653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514763.

The product of its (nonzero) digits is 17146080, while the sum is 57.

The spelling of 39974047653 in words is "thirty-nine billion, nine hundred seventy-four million, forty-seven thousand, six hundred fifty-three".