8942419993 has 8 divisors (see below), whose sum is σ = 9666102600. Its totient is φ = 8223852288.

The previous prime is 8942419979. The next prime is 8942420029. The reversal of 8942419993 is 3999142498.

It can be written as a sum of positive squares in 4 ways, for example, as 332807049 + 8609612944 = 18243^2 + 92788^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8942419993 - 2²⁵ = 8908865561 is a prime.

It is a super-2 number, since 2×8942419993² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8942419943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275088 + ... + 1282081.

It is an arithmetic number, because the mean of its divisors is an integer number (1208262825).

Almost surely, 2^8942419993 is an apocalyptic number.

It is an amenable number.

8942419993 is a deficient number, since it is larger than the sum of its proper divisors (723682607).

8942419993 is a wasteful number, since it uses less digits than its factorization.

8942419993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557451.

The product of its digits is 5038848, while the sum is 58.

The square root of 8942419993 is about 94564.3695743804. The cubic root of 8942419993 is about 2075.6383572693.

The spelling of 8942419993 in words is "eight billion, nine hundred forty-two million, four hundred nineteen thousand, nine hundred ninety-three".