4293078993 has 18 divisors (see below), whose sum is σ = 7213541634. Its totient is φ = 2453187744.

The previous prime is 4293078983. The next prime is 4293079019. The reversal of 4293078993 is 3998703924.

It can be written as a sum of positive squares in only one way, i.e., 3291546384 + 1001532609 = 57372^2 + 31647^2 .

It is not a de Polignac number, because 4293078993 - 2¹⁰ = 4293077969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4293078983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4866996 + ... + 4867877.

It is an arithmetic number, because the mean of its divisors is an integer number (400752313).

Almost surely, 2^4293078993 is an apocalyptic number.

It is an amenable number.

4293078993 is a deficient number, since it is larger than the sum of its proper divisors (2920462641).

4293078993 is a wasteful number, since it uses less digits than its factorization.

4293078993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734893 (or 9734883 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 4293078993 is about 65521.5918075866. The cubic root of 4293078993 is about 1625.2604228620.

The spelling of 4293078993 in words is "four billion, two hundred ninety-three million, seventy-eight thousand, nine hundred ninety-three".