6347489425 has 12 divisors (see below), whose sum is σ = 7875313036. Its totient is φ = 5075136000.

The previous prime is 6347489399. The next prime is 6347489431. The reversal of 6347489425 is 5249847436.

It can be written as a sum of positive squares in 6 ways, for example, as 2144430864 + 4203058561 = 46308^2 + 64831^2 .

It is not a de Polignac number, because 6347489425 - 2⁹ = 6347488913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25464 + ... + 115513.

Almost surely, 2^6347489425 is an apocalyptic number.

It is an amenable number.

6347489425 is a deficient number, since it is larger than the sum of its proper divisors (1527823611).

6347489425 is a wasteful number, since it uses less digits than its factorization.

6347489425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142788 (or 142783 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The square root of 6347489425 is about 79671.1329466326. The cubic root of 6347489425 is about 1851.5438221110.

The spelling of 6347489425 in words is "six billion, three hundred forty-seven million, four hundred eighty-nine thousand, four hundred twenty-five".