801949117599 has 24 divisors (see below), whose sum is σ = 1325305792512. Its totient is φ = 457753579920.

The previous prime is 801949117583. The next prime is 801949117603. The reversal of 801949117599 is 995711949108.

801949117599 is a `hidden beast` number, since 80 + 1 + 9 + 491 + 17 + 59 + 9 = 666.

It is not a de Polignac number, because 801949117599 - 2⁴ = 801949117583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801949117699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6929079 + ... + 7043864.

It is an arithmetic number, because the mean of its divisors is an integer number (55221074688).

Almost surely, 2^801949117599 is an apocalyptic number.

801949117599 is a deficient number, since it is larger than the sum of its proper divisors (523356674913).

801949117599 is a wasteful number, since it uses less digits than its factorization.

801949117599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973867 (or 13973864 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 63.

The spelling of 801949117599 in words is "eight hundred one billion, nine hundred forty-nine million, one hundred seventeen thousand, five hundred ninety-nine".