6503144974 has 32 divisors (see below), whose sum is σ = 10050910272. Its totient is φ = 3154560000.

The previous prime is 6503144969. The next prime is 6503144983. The reversal of 6503144974 is 4794413056.

It is a super-2 number, since 2×6503144974² = 84581789105722921352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6503144974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831294 + ... + 3832990.

It is an arithmetic number, because the mean of its divisors is an integer number (314090946).

Almost surely, 2^6503144974 is an apocalyptic number.

6503144974 is a deficient number, since it is larger than the sum of its proper divisors (3547765298).

6503144974 is a wasteful number, since it uses less digits than its factorization.

6503144974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 6503144974 is about 80642.0794250744. The cubic root of 6503144974 is about 1866.5565209172.

The spelling of 6503144974 in words is "six billion, five hundred three million, one hundred forty-four thousand, nine hundred seventy-four".