1979180514 has 16 divisors (see below), whose sum is σ = 4398179040. Its totient is φ = 659726820.

The previous prime is 1979180513. The next prime is 1979180557. The reversal of 1979180514 is 4150819791.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1979180514.

It is not an unprimeable number, because it can be changed into a prime (1979180513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18325692 + ... + 18325799.

It is an arithmetic number, because the mean of its divisors is an integer number (274886190).

Almost surely, 2^1979180514 is an apocalyptic number.

1979180514 is an abundant number, since it is smaller than the sum of its proper divisors (2418998526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979180514 is a wasteful number, since it uses less digits than its factorization.

1979180514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36651502 (or 36651496 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The square root of 1979180514 is about 44487.9816804494. The cubic root of 1979180514 is about 1255.5339736071.

The spelling of 1979180514 in words is "one billion, nine hundred seventy-nine million, one hundred eighty thousand, five hundred fourteen".