39902672543 has 8 divisors (see below), whose sum is σ = 40000684416. Its totient is φ = 39804744600.

The previous prime is 39902672507. The next prime is 39902672549. The reversal of 39902672543 is 34527620993.

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

It is a cyclic number.

It is not a de Polignac number, because 39902672543 - 2¹⁰ = 39902671519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39902672491 and 39902672500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39902672549) 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, 990158 + ... + 1029668.

It is an arithmetic number, because the mean of its divisors is an integer number (5000085552).

Almost surely, 2^39902672543 is an apocalyptic number.

39902672543 is a deficient number, since it is larger than the sum of its proper divisors (98011873).

39902672543 is a wasteful number, since it uses less digits than its factorization.

39902672543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41965.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 39902672543 in words is "thirty-nine billion, nine hundred two million, six hundred seventy-two thousand, five hundred forty-three".