1973050621231 has 2 divisors, whose sum is σ = 1973050621232. Its totient is φ = 1973050621230.

The previous prime is 1973050621207. The next prime is 1973050621247. The reversal of 1973050621231 is 1321260503791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1973050621231 - 2³¹ = 1970903137583 is a prime.

It is a super-2 number, since 2×1973050621231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1973950621231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 986525310615 + 986525310616.

It is an arithmetic number, because the mean of its divisors is an integer number (986525310616).

Almost surely, 2^{1973050621231} is an apocalyptic number.

1973050621231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1973050621231 is an equidigital number, since it uses as much as digits as its factorization.

1973050621231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 1973050621231 in words is "one trillion, nine hundred seventy-three billion, fifty million, six hundred twenty-one thousand, two hundred thirty-one".