7481021983 has 2 divisors, whose sum is σ = 7481021984. Its totient is φ = 7481021982.

The previous prime is 7481021941. The next prime is 7481021987. The reversal of 7481021983 is 3891201847.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7481021983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7481021987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740510991 + 3740510992.

It is an arithmetic number, because the mean of its divisors is an integer number (3740510992).

Almost surely, 2^7481021983 is an apocalyptic number.

7481021983 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481021983 is an equidigital number, since it uses as much as digits as its factorization.

7481021983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 7481021983 is about 86492.9013445612. The cubic root of 7481021983 is about 1955.7813943732.

The spelling of 7481021983 in words is "seven billion, four hundred eighty-one million, twenty-one thousand, nine hundred eighty-three".