363199121989 has 4 divisors (see below), whose sum is σ = 396217224000. Its totient is φ = 330181019980.

The previous prime is 363199121977. The next prime is 363199122023. The reversal of 363199121989 is 989121991363.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 363199121989 - 2⁷ = 363199121861 is a prime.

It is a super-2 number, since 2×363199121989² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363199127989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16509050989 + ... + 16509051010.

It is an arithmetic number, because the mean of its divisors is an integer number (99054306000).

Almost surely, 2^363199121989 is an apocalyptic number.

It is an amenable number.

363199121989 is a deficient number, since it is larger than the sum of its proper divisors (33018102011).

363199121989 is a wasteful number, since it uses less digits than its factorization.

363199121989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33018102010.

The product of its digits is 5668704, while the sum is 61.

The spelling of 363199121989 in words is "three hundred sixty-three billion, one hundred ninety-nine million, one hundred twenty-one thousand, nine hundred eighty-nine".