6503965722 has 12 divisors (see below), whose sum is σ = 14091925770. Its totient is φ = 2167988568.

The previous prime is 6503965717. The next prime is 6503965759. The reversal of 6503965722 is 2275693056.

6503965722 is a `hidden beast` number, since 6 + 503 + 96 + 57 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4943636721 + 1560329001 = 70311^2 + 39501^2 .

It is a super-2 number, since 2×6503965722² = 84603140225901962568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180665697 + ... + 180665732.

Almost surely, 2^6503965722 is an apocalyptic number.

6503965722 is an abundant number, since it is smaller than the sum of its proper divisors (7587960048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6503965722 is a wasteful number, since it uses less digits than its factorization.

6503965722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361331437 (or 361331434 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 6503965722 is about 80647.1680965922. The cubic root of 6503965722 is about 1866.6350423143.

The spelling of 6503965722 in words is "six billion, five hundred three million, nine hundred sixty-five thousand, seven hundred twenty-two".