6517907048 has 8 divisors (see below), whose sum is σ = 12221075730. Its totient is φ = 3258953520.

The previous prime is 6517907023. The next prime is 6517907051. The reversal of 6517907048 is 8407097156.

It can be written as a sum of positive squares in only one way, i.e., 6499261924 + 18645124 = 80618^2 + 4318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6517907048² = 84966224572736148608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6517906993 and 6517907011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407369183 + ... + 407369198.

Almost surely, 2^6517907048 is an apocalyptic number.

It is an amenable number.

6517907048 is a deficient number, since it is larger than the sum of its proper divisors (5703168682).

6517907048 is a wasteful number, since it uses less digits than its factorization.

6517907048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814738387 (or 814738383 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 6517907048 is about 80733.5558983995. Note that the first 3 decimals coincide. The cubic root of 6517907048 is about 1867.9678084590.

The spelling of 6517907048 in words is "six billion, five hundred seventeen million, nine hundred seven thousand, forty-eight".