6503754961 has 12 divisors (see below), whose sum is σ = 7150731700. Its totient is φ = 5910870240.

The previous prime is 6503754947. The next prime is 6503754973. The reversal of 6503754961 is 1694573056.

It can be written as a sum of positive squares in 2 ways, for example, as 4183502400 + 2320252561 = 64680^2 + 48169^2 .

It is not a de Polignac number, because 6503754961 - 2⁹ = 6503754449 is a prime.

It is a super-2 number, since 2×6503754961² = 84597657185464223042, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6503754161) 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 11 ways as a sum of consecutive naturals, for example, 749395 + ... + 758023.

Almost surely, 2^6503754961 is an apocalyptic number.

It is an amenable number.

6503754961 is a deficient number, since it is larger than the sum of its proper divisors (646976739).

6503754961 is a wasteful number, since it uses less digits than its factorization.

6503754961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880 (or 14869 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 6503754961 is about 80645.8614003223. The cubic root of 6503754961 is about 1866.6148793279.

The spelling of 6503754961 in words is "six billion, five hundred three million, seven hundred fifty-four thousand, nine hundred sixty-one".