1979124129419 has 4 divisors (see below), whose sum is σ = 1998338926896. Its totient is φ = 1959909331944.

The previous prime is 1979124129383. The next prime is 1979124129421. The reversal of 1979124129419 is 9149214219791.

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

It is a cyclic number.

It is not a de Polignac number, because 1979124129419 - 2¹² = 1979124125323 is a prime.

It is a super-3 number, since 3×1979124129419³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1979124129449) 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, 9607398584 + ... + 9607398789.

It is an arithmetic number, because the mean of its divisors is an integer number (499584731724).

Almost surely, 2^{1979124129419} is an apocalyptic number.

1979124129419 is a deficient number, since it is larger than the sum of its proper divisors (19214797477).

1979124129419 is a wasteful number, since it uses less digits than its factorization.

1979124129419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214797476.

The product of its digits is 2939328, while the sum is 59.

The spelling of 1979124129419 in words is "one trillion, nine hundred seventy-nine billion, one hundred twenty-four million, one hundred twenty-nine thousand, four hundred nineteen".