201442419979 has 8 divisors (see below), whose sum is σ = 203266528992. Its totient is φ = 199619038080.

The previous prime is 201442419923. The next prime is 201442420019. The reversal of 201442419979 is 979914244102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201442419979 - 2²⁹ = 200905549067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201442419379) 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, 382714 + ... + 741184.

It is an arithmetic number, because the mean of its divisors is an integer number (25408316124).

Almost surely, 2^201442419979 is an apocalyptic number.

201442419979 is a deficient number, since it is larger than the sum of its proper divisors (1824109013).

201442419979 is a wasteful number, since it uses less digits than its factorization.

201442419979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363557.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 201442419979 in words is "two hundred one billion, four hundred forty-two million, four hundred nineteen thousand, nine hundred seventy-nine".