7090948393 has 4 divisors (see below), whose sum is σ = 7131936708. Its totient is φ = 7049960080.

The previous prime is 7090948357. The next prime is 7090948399. The reversal of 7090948393 is 3938490907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4499323929 + 2591624464 = 67077^2 + 50908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7090948393 is a prime.

It is a super-2 number, since 2×7090948393² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7090948393.

It is not an unprimeable number, because it can be changed into a prime (7090948399) 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, 20493898 + ... + 20494243.

It is an arithmetic number, because the mean of its divisors is an integer number (1782984177).

Almost surely, 2^7090948393 is an apocalyptic number.

It is an amenable number.

7090948393 is a deficient number, since it is larger than the sum of its proper divisors (40988315).

7090948393 is a wasteful number, since it uses less digits than its factorization.

7090948393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988314.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 7090948393 is about 84207.7691961971. The cubic root of 7090948393 is about 1921.1802271452.

The spelling of 7090948393 in words is "seven billion, ninety million, nine hundred forty-eight thousand, three hundred ninety-three".