3519980672879 has 4 divisors (see below), whose sum is σ = 3839978915880. Its totient is φ = 3199982429880.

The previous prime is 3519980672869. The next prime is 3519980672909. The reversal of 3519980672879 is 9782760899153.

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-3519980672879 is a prime.

It is a super-2 number, since 2×3519980672879² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3519980672849) 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, 159999121484 + ... + 159999121505.

It is an arithmetic number, because the mean of its divisors is an integer number (959994728970).

Almost surely, 2^{3519980672879} is an apocalyptic number.

3519980672879 is a deficient number, since it is larger than the sum of its proper divisors (319998243001).

3519980672879 is a wasteful number, since it uses less digits than its factorization.

3519980672879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319998243000.

The product of its (nonzero) digits is 411505920, while the sum is 74.

The spelling of 3519980672879 in words is "three trillion, five hundred nineteen billion, nine hundred eighty million, six hundred seventy-two thousand, eight hundred seventy-nine".