7651941993 has 8 divisors (see below), whose sum is σ = 11336210400. Its totient is φ = 5101294644.

The previous prime is 7651941959. The next prime is 7651942003. The reversal of 7651941993 is 3991491567.

It is not a de Polignac number, because 7651941993 - 2⁹ = 7651941481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7651945993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141702603 + ... + 141702656.

It is an arithmetic number, because the mean of its divisors is an integer number (1417026300).

Almost surely, 2^7651941993 is an apocalyptic number.

It is an amenable number.

7651941993 is a deficient number, since it is larger than the sum of its proper divisors (3684268407).

7651941993 is a wasteful number, since it uses less digits than its factorization.

7651941993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283405268 (or 283405262 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 7651941993 is about 87475.3793532786. The cubic root of 7651941993 is about 1970.5640540865.

The spelling of 7651941993 in words is "seven billion, six hundred fifty-one million, nine hundred forty-one thousand, nine hundred ninety-three".