7538442346 has 8 divisors (see below), whose sum is σ = 11313400644. Its totient is φ = 3767308800.

The previous prime is 7538442341. The next prime is 7538442347. The reversal of 7538442346 is 6432448357.

It can be written as a sum of positive squares in 2 ways, for example, as 6004545121 + 1533897225 = 77489^2 + 39165^2 .

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

It is a super-2 number, since 2×7538442346² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7538442296 and 7538442305.

It is not an unprimeable number, because it can be changed into a prime (7538442341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 951255 + ... + 959146.

Almost surely, 2^7538442346 is an apocalyptic number.

7538442346 is a deficient number, since it is larger than the sum of its proper divisors (3774958298).

7538442346 is a wasteful number, since it uses less digits than its factorization.

7538442346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912376.

The product of its digits is 1935360, while the sum is 46.

The square root of 7538442346 is about 86824.2036876815. The cubic root of 7538442346 is about 1960.7724938106.

The spelling of 7538442346 in words is "seven billion, five hundred thirty-eight million, four hundred forty-two thousand, three hundred forty-six".