3950670169979 has 4 divisors (see below), whose sum is σ = 4254567875376. Its totient is φ = 3646772464584.

The previous prime is 3950670169973. The next prime is 3950670169981. The reversal of 3950670169979 is 9799610760593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3950670169979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3950670169973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151948852679 + ... + 151948852704.

It is an arithmetic number, because the mean of its divisors is an integer number (1063641968844).

Almost surely, 2^{3950670169979} is an apocalyptic number.

3950670169979 is a deficient number, since it is larger than the sum of its proper divisors (303897705397).

3950670169979 is a wasteful number, since it uses less digits than its factorization.

3950670169979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303897705396.

The product of its (nonzero) digits is 173604060, while the sum is 71.

The spelling of 3950670169979 in words is "three trillion, nine hundred fifty billion, six hundred seventy million, one hundred sixty-nine thousand, nine hundred seventy-nine".