3979280034605 has 16 divisors (see below), whose sum is σ = 5026511305920. Its totient is φ = 3015844005888.

The previous prime is 3979280034589. The next prime is 3979280034623. The reversal of 3979280034605 is 5064300829793.

It is a cyclic number.

It is not a de Polignac number, because 3979280034605 - 2⁴ = 3979280034589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13434989 + ... + 13727981.

It is an arithmetic number, because the mean of its divisors is an integer number (314156956620).

Almost surely, 2^{3979280034605} is an apocalyptic number.

It is an amenable number.

3979280034605 is a deficient number, since it is larger than the sum of its proper divisors (1047231271315).

3979280034605 is a wasteful number, since it uses less digits than its factorization.

3979280034605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435980.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 3979280034605 in words is "three trillion, nine hundred seventy-nine billion, two hundred eighty million, thirty-four thousand, six hundred five".