1973005373 has 2 divisors, whose sum is σ = 1973005374. Its totient is φ = 1973005372.

The previous prime is 1973005357. The next prime is 1973005381. The reversal of 1973005373 is 3735003791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1740808729 + 232196644 = 41723^2 + 15238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1973005373 - 2⁴ = 1973005357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973005303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986502686 + 986502687.

It is an arithmetic number, because the mean of its divisors is an integer number (986502687).

Almost surely, 2^1973005373 is an apocalyptic number.

It is an amenable number.

1973005373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973005373 is an equidigital number, since it uses as much as digits as its factorization.

1973005373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 38.

The square root of 1973005373 is about 44418.5251105887. The cubic root of 1973005373 is about 1254.2268372074.

The spelling of 1973005373 in words is "one billion, nine hundred seventy-three million, five thousand, three hundred seventy-three".