1973500829 has 2 divisors, whose sum is σ = 1973500830. Its totient is φ = 1973500828.

The previous prime is 1973500807. The next prime is 1973500927. The reversal of 1973500829 is 9280053791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1018567225 + 954933604 = 31915^2 + 30902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1973500829 - 2²⁰ = 1972452253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1973500829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973500129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986750414 + 986750415.

It is an arithmetic number, because the mean of its divisors is an integer number (986750415).

Almost surely, 2^1973500829 is an apocalyptic number.

It is an amenable number.

1973500829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973500829 is an equidigital number, since it uses as much as digits as its factorization.

1973500829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1973500829 is about 44424.1018930040. The cubic root of 1973500829 is about 1254.3318144858.

The spelling of 1973500829 in words is "one billion, nine hundred seventy-three million, five hundred thousand, eight hundred twenty-nine".