7347438819 has 72 divisors (see below), whose sum is σ = 12532704912. Its totient is φ = 4135420800.

The previous prime is 7347438817. The next prime is 7347438821. The reversal of 7347438819 is 9188347437.

It is an interprime number because it is at equal distance from previous prime (7347438817) and next prime (7347438821).

It is not a de Polignac number, because 7347438819 - 2¹ = 7347438817 is a prime.

It is a super-2 number, since 2×7347438819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7347438817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13050232 + ... + 13050794.

It is an arithmetic number, because the mean of its divisors is an integer number (174065346).

Almost surely, 2^7347438819 is an apocalyptic number.

7347438819 is a deficient number, since it is larger than the sum of its proper divisors (5185266093).

7347438819 is a wasteful number, since it uses less digits than its factorization.

7347438819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 967 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 7347438819 is about 85717.2025850121. The cubic root of 7347438819 is about 1944.0704222762.

The spelling of 7347438819 in words is "seven billion, three hundred forty-seven million, four hundred thirty-eight thousand, eight hundred nineteen".