3620515993 has 24 divisors (see below), whose sum is σ = 3941054784. Its totient is φ = 3324384000.

The previous prime is 3620515963. The next prime is 3620515999. The reversal of 3620515993 is 3995150263.

It is not a de Polignac number, because 3620515993 - 2²⁵ = 3586961561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3620515999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2071546 + ... + 2073292.

It is an arithmetic number, because the mean of its divisors is an integer number (164210616).

Almost surely, 2^3620515993 is an apocalyptic number.

It is an amenable number.

3620515993 is a deficient number, since it is larger than the sum of its proper divisors (320538791).

3620515993 is a wasteful number, since it uses less digits than its factorization.

3620515993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1936 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 3620515993 is about 60170.7237200950. The cubic root of 3620515993 is about 1535.5247588506.

The spelling of 3620515993 in words is "three billion, six hundred twenty million, five hundred fifteen thousand, nine hundred ninety-three".