7930281983 has 4 divisors (see below), whose sum is σ = 8540303688. Its totient is φ = 7320260280.

The previous prime is 7930281977. The next prime is 7930282021. The reversal of 7930281983 is 3891820397.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3891820397 = 14561 ⋅267277.

It is a cyclic number.

It is not a de Polignac number, because 7930281983 - 2²⁰ = 7929233407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7930281973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305010833 + ... + 305010858.

It is an arithmetic number, because the mean of its divisors is an integer number (2135075922).

Almost surely, 2^7930281983 is an apocalyptic number.

7930281983 is a deficient number, since it is larger than the sum of its proper divisors (610021705).

7930281983 is a wasteful number, since it uses less digits than its factorization.

7930281983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610021704.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 7930281983 is about 89052.1307044363. The cubic root of 7930281983 is about 1994.1732059714.

The spelling of 7930281983 in words is "seven billion, nine hundred thirty million, two hundred eighty-one thousand, nine hundred eighty-three".