7342979893 has 4 divisors (see below), whose sum is σ = 7364020300. Its totient is φ = 7321939488.

The previous prime is 7342979879. The next prime is 7342979921. The reversal of 7342979893 is 3989792437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3989792437 = 3271 ⋅1219747.

It can be written as a sum of positive squares in 2 ways, for example, as 3366668529 + 3976311364 = 58023^2 + 63058^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342979893 - 2²¹ = 7340882741 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 (7342979863) 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, 10519680 + ... + 10520377.

It is an arithmetic number, because the mean of its divisors is an integer number (1841005075).

Almost surely, 2^7342979893 is an apocalyptic number.

It is an amenable number.

7342979893 is a deficient number, since it is larger than the sum of its proper divisors (21040407).

7342979893 is a wasteful number, since it uses less digits than its factorization.

7342979893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040406.

The product of its digits is 20575296, while the sum is 61.

The square root of 7342979893 is about 85691.1891211693. The cubic root of 7342979893 is about 1943.6770779424.

The spelling of 7342979893 in words is "seven billion, three hundred forty-two million, nine hundred seventy-nine thousand, eight hundred ninety-three".