7149476347 has 4 divisors (see below), whose sum is σ = 7699436080. Its totient is φ = 6599516616.

The previous prime is 7149476317. The next prime is 7149476371. The reversal of 7149476347 is 7436749417.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7149476347 is a prime.

It is a super-2 number, since 2×7149476347² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7149476294 and 7149476303.

It is not an unprimeable number, because it can be changed into a prime (7149476317) 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, 274979847 + ... + 274979872.

It is an arithmetic number, because the mean of its divisors is an integer number (1924859020).

Almost surely, 2^7149476347 is an apocalyptic number.

7149476347 is a deficient number, since it is larger than the sum of its proper divisors (549959733).

7149476347 is a wasteful number, since it uses less digits than its factorization.

7149476347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549959732.

The product of its digits is 3556224, while the sum is 52.

The square root of 7149476347 is about 84554.5761446416. The cubic root of 7149476347 is about 1926.4514917195.

The spelling of 7149476347 in words is "seven billion, one hundred forty-nine million, four hundred seventy-six thousand, three hundred forty-seven".