2001488073779 has 8 divisors (see below), whose sum is σ = 2012605179312. Its totient is φ = 1990371618720.

The previous prime is 2001488073757. The next prime is 2001488073853. The reversal of 2001488073779 is 9773708841002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2001488073779 - 2²⁸ = 2001219638323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001488073719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6843917 + ... + 7130369.

It is an arithmetic number, because the mean of its divisors is an integer number (251575647414).

Almost surely, 2^{2001488073779} is an apocalyptic number.

2001488073779 is a deficient number, since it is larger than the sum of its proper divisors (11117105533).

2001488073779 is a wasteful number, since it uses less digits than its factorization.

2001488073779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325237.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The spelling of 2001488073779 in words is "two trillion, one billion, four hundred eighty-eight million, seventy-three thousand, seven hundred seventy-nine".