39953163455 has 8 divisors (see below), whose sum is σ = 48041444304. Its totient is φ = 31897432000.

The previous prime is 39953163431. The next prime is 39953163493. The reversal of 39953163455 is 55436135993.

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

It is a de Polignac number, because none of the positive numbers 2^k-39953163455 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39953163397 and 39953163406.

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, 8134646 + ... + 8139555.

It is an arithmetic number, because the mean of its divisors is an integer number (6005180538).

Almost surely, 2^39953163455 is an apocalyptic number.

39953163455 is a deficient number, since it is larger than the sum of its proper divisors (8088280849).

39953163455 is a wasteful number, since it uses less digits than its factorization.

39953163455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16274697.

The product of its digits is 6561000, while the sum is 53.

The spelling of 39953163455 in words is "thirty-nine billion, nine hundred fifty-three million, one hundred sixty-three thousand, four hundred fifty-five".