363621663109 has 4 divisors (see below), whose sum is σ = 363626255200. Its totient is φ = 363617071020.

The previous prime is 363621663103. The next prime is 363621663113. The reversal of 363621663109 is 901366126363.

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: 901366126363 = 23 ⋅39189831581.

It is a cyclic number.

It is not a de Polignac number, because 363621663109 - 2³ = 363621663101 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 (363621663101) 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, 2175147 + ... + 2336344.

It is an arithmetic number, because the mean of its divisors is an integer number (90906563800).

Almost surely, 2^363621663109 is an apocalyptic number.

It is an amenable number.

363621663109 is a deficient number, since it is larger than the sum of its proper divisors (4592091).

363621663109 is an equidigital number, since it uses as much as digits as its factorization.

363621663109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592090.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 363621663109 in words is "three hundred sixty-three billion, six hundred twenty-one million, six hundred sixty-three thousand, one hundred nine".