1973770063 has 4 divisors (see below), whose sum is σ = 1973864968. Its totient is φ = 1973675160.

The previous prime is 1973770033. The next prime is 1973770213. The reversal of 1973770063 is 3600773791.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1973770063 - 2²⁹ = 1436899151 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 (1973770003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281 + ... + 62842.

It is an arithmetic number, because the mean of its divisors is an integer number (493466242).

Almost surely, 2^1973770063 is an apocalyptic number.

1973770063 is a deficient number, since it is larger than the sum of its proper divisors (94905).

1973770063 is an equidigital number, since it uses as much as digits as its factorization.

1973770063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94904.

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 1973770063 is about 44427.1320591370. The cubic root of 1973770063 is about 1254.3888524512.

The spelling of 1973770063 in words is "one billion, nine hundred seventy-three million, seven hundred seventy thousand, sixty-three".