6503149425 has 24 divisors (see below), whose sum is σ = 10773060480. Its totient is φ = 3461512000.

The previous prime is 6503149409. The next prime is 6503149567. The reversal of 6503149425 is 5249413056.

It is not a de Polignac number, because 6503149425 - 2⁴ = 6503149409 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47001 + ... + 123350.

It is an arithmetic number, because the mean of its divisors is an integer number (448877520).

Almost surely, 2^6503149425 is an apocalyptic number.

It is an amenable number.

6503149425 is a deficient number, since it is larger than the sum of its proper divisors (4269911055).

6503149425 is a wasteful number, since it uses less digits than its factorization.

6503149425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170873 (or 170868 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 6503149425 is about 80642.1070223243. The cubic root of 6503149425 is about 1866.5569467645.

The spelling of 6503149425 in words is "six billion, five hundred three million, one hundred forty-nine thousand, four hundred twenty-five".