363163973 has 4 divisors (see below), whose sum is σ = 363232320. Its totient is φ = 363095628.

The previous prime is 363163963. The next prime is 363163981. The reversal of 363163973 is 379361363.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 379361363 = 73 ⋅5196731.

It is a cyclic number.

It is not a de Polignac number, because 363163973 - 2¹⁸ = 362901829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 363163973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363163963) 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, 25463 + ... + 37076.

It is an arithmetic number, because the mean of its divisors is an integer number (90808080).

Almost surely, 2^363163973 is an apocalyptic number.

It is an amenable number.

363163973 is a deficient number, since it is larger than the sum of its proper divisors (68347).

363163973 is an equidigital number, since it uses as much as digits as its factorization.

363163973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68346.

The product of its digits is 183708, while the sum is 41.

The square root of 363163973 is about 19056.8615726725. The cubic root of 363163973 is about 713.4566432872.

The spelling of 363163973 in words is "three hundred sixty-three million, one hundred sixty-three thousand, nine hundred seventy-three".