368192693993 has 4 divisors (see below), whose sum is σ = 371988495060. Its totient is φ = 364396892928.

The previous prime is 368192693989. The next prime is 368192694007. The reversal of 368192693993 is 399396291863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232081135504 + 136111558489 = 481748^2 + 368933^2 .

It is a cyclic number.

It is not a de Polignac number, because 368192693993 - 2² = 368192693989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (368192693293) 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, 1897900388 + ... + 1897900581.

It is an arithmetic number, because the mean of its divisors is an integer number (92997123765).

Almost surely, 2^368192693993 is an apocalyptic number.

It is an amenable number.

368192693993 is a deficient number, since it is larger than the sum of its proper divisors (3795801067).

368192693993 is an equidigital number, since it uses as much as digits as its factorization.

368192693993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795801066.

The product of its digits is 102036672, while the sum is 68.

The spelling of 368192693993 in words is "three hundred sixty-eight billion, one hundred ninety-two million, six hundred ninety-three thousand, nine hundred ninety-three".