3953649647079 has 96 divisors (see below), whose sum is σ = 6759843517440. Its totient is φ = 2203101331200.

The previous prime is 3953649647011. The next prime is 3953649647107. The reversal of 3953649647079 is 9707469463593.

3953649647079 is a `hidden beast` number, since 3 + 9 + 5 + 3 + 64 + 96 + 470 + 7 + 9 = 666.

It is not a de Polignac number, because 3953649647079 - 2¹¹ = 3953649645031 is a prime.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3953649646998 and 3953649647016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953649647009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4596724 + ... + 5388614.

It is an arithmetic number, because the mean of its divisors is an integer number (70415036640).

Almost surely, 2^{3953649647079} is an apocalyptic number.

3953649647079 is a deficient number, since it is larger than the sum of its proper divisors (2806193870361).

3953649647079 is a wasteful number, since it uses less digits than its factorization.

3953649647079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792021 (or 792018 counting only the distinct ones).

The product of its (nonzero) digits is 925888320, while the sum is 72.

The spelling of 3953649647079 in words is "three trillion, nine hundred fifty-three billion, six hundred forty-nine million, six hundred forty-seven thousand, seventy-nine".