1973050621207 has 2 divisors, whose sum is σ = 1973050621208. Its totient is φ = 1973050621206.

The previous prime is 1973050621189. The next prime is 1973050621231. The reversal of 1973050621207 is 7021260503791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1973050621207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973050621247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986525310603 + 986525310604.

It is an arithmetic number, because the mean of its divisors is an integer number (986525310604).

Almost surely, 2^{1973050621207} is an apocalyptic number.

1973050621207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973050621207 is an equidigital number, since it uses as much as digits as its factorization.

1973050621207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 1973050621207 in words is "one trillion, nine hundred seventy-three billion, fifty million, six hundred twenty-one thousand, two hundred seven".