7121973983 has 2 divisors, whose sum is σ = 7121973984. Its totient is φ = 7121973982.

The previous prime is 7121973959. The next prime is 7121974009. The reversal of 7121973983 is 3893791217.

It is a weak prime.

It is an emirp because it is prime and its reverse (3893791217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7121973983 - 2¹² = 7121969887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7121973913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560986991 + 3560986992.

It is an arithmetic number, because the mean of its divisors is an integer number (3560986992).

Almost surely, 2^7121973983 is an apocalyptic number.

7121973983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7121973983 is an equidigital number, since it uses as much as digits as its factorization.

7121973983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 50.

The square root of 7121973983 is about 84391.7885993655. The cubic root of 7121973983 is about 1923.9781146703.

The spelling of 7121973983 in words is "seven billion, one hundred twenty-one million, nine hundred seventy-three thousand, nine hundred eighty-three".