363688142749 has 4 divisors (see below), whose sum is σ = 363691267936. Its totient is φ = 363685017564.

The previous prime is 363688142747. The next prime is 363688142759. The reversal of 363688142749 is 947241886363.

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 363688142749 - 2¹ = 363688142747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363688142747) 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 3 ways as a sum of consecutive naturals, for example, 1380999 + ... + 1623124.

It is an arithmetic number, because the mean of its divisors is an integer number (90922816984).

Almost surely, 2^363688142749 is an apocalyptic number.

It is an amenable number.

363688142749 is a deficient number, since it is larger than the sum of its proper divisors (3125187).

363688142749 is a wasteful number, since it uses less digits than its factorization.

363688142749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125186.

The product of its digits is 41803776, while the sum is 61.

The spelling of 363688142749 in words is "three hundred sixty-three billion, six hundred eighty-eight million, one hundred forty-two thousand, seven hundred forty-nine".