3620623993 has 4 divisors (see below), whose sum is σ = 4137856000. Its totient is φ = 3103391988.

The previous prime is 3620623973. The next prime is 3620624003. The reversal of 3620623993 is 3993260263.

3620623993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 3993260263 = 61 ⋅65463283.

It is a cyclic number.

It is not a de Polignac number, because 3620623993 - 2⁹ = 3620623481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3620623933) 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, 258615993 + ... + 258616006.

It is an arithmetic number, because the mean of its divisors is an integer number (1034464000).

Almost surely, 2^3620623993 is an apocalyptic number.

It is an amenable number.

3620623993 is a deficient number, since it is larger than the sum of its proper divisors (517232007).

3620623993 is an equidigital number, since it uses as much as digits as its factorization.

3620623993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517232006.

The product of its (nonzero) digits is 314928, while the sum is 43.

The square root of 3620623993 is about 60171.6211598125. The cubic root of 3620623993 is about 1535.5400269344.

The spelling of 3620623993 in words is "three billion, six hundred twenty million, six hundred twenty-three thousand, nine hundred ninety-three".