1973536608 has 24 divisors (see below), whose sum is σ = 5180533848. Its totient is φ = 657845504.

The previous prime is 1973536589. The next prime is 1973536619. The reversal of 1973536608 is 8066353791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1973536608² = 7789693486232291328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10278741 + ... + 10278932.

It is an arithmetic number, because the mean of its divisors is an integer number (215855577).

Almost surely, 2^1973536608 is an apocalyptic number.

It is an amenable number.

1973536608 is an abundant number, since it is smaller than the sum of its proper divisors (3206997240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1973536608 is a wasteful number, since it uses less digits than its factorization.

1973536608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20557686 (or 20557678 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 1973536608 is about 44424.5045892467. The cubic root of 1973536608 is about 1254.3393946645.

The spelling of 1973536608 in words is "one billion, nine hundred seventy-three million, five hundred thirty-six thousand, six hundred eight".