193879420514 has 24 divisors (see below), whose sum is σ = 322591427172. Its totient is φ = 87300295680.

The previous prime is 193879420489. The next prime is 193879420547. The reversal of 193879420514 is 415024978391.

It can be written as a sum of positive squares in 6 ways, for example, as 23172450625 + 170706969889 = 152225^2 + 413167^2 .

It is a super-3 number, since 3×193879420514³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6981359 + ... + 7009074.

Almost surely, 2^193879420514 is an apocalyptic number.

193879420514 is a deficient number, since it is larger than the sum of its proper divisors (128712006658).

193879420514 is a wasteful number, since it uses less digits than its factorization.

193879420514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990502 (or 13990489 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 193879420514 in words is "one hundred ninety-three billion, eight hundred seventy-nine million, four hundred twenty thousand, five hundred fourteen".