368281985091 has 4 divisors (see below), whose sum is σ = 491042646792. Its totient is φ = 245521323392.

The previous prime is 368281985063. The next prime is 368281985101. The reversal of 368281985091 is 190589182863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190589182863 = 3 ⋅63529727621.

It is a cyclic number.

It is not a de Polignac number, because 368281985091 - 2¹³ = 368281976899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (368281980091) 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, 61380330846 + ... + 61380330851.

It is an arithmetic number, because the mean of its divisors is an integer number (122760661698).

Almost surely, 2^368281985091 is an apocalyptic number.

368281985091 is a deficient number, since it is larger than the sum of its proper divisors (122760661701).

368281985091 is a wasteful number, since it uses less digits than its factorization.

368281985091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122760661700.

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 368281985091 in words is "three hundred sixty-eight billion, two hundred eighty-one million, nine hundred eighty-five thousand, ninety-one".