6781048965 has 48 divisors (see below), whose sum is σ = 12155719680. Its totient is φ = 3493336320.

The previous prime is 6781048943. The next prime is 6781048987. The reversal of 6781048965 is 5698401876.

It is an interprime number because it is at equal distance from previous prime (6781048943) and next prime (6781048987).

It is not a de Polignac number, because 6781048965 - 2⁵ = 6781048933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789484 + ... + 798026.

It is an arithmetic number, because the mean of its divisors is an integer number (253244160).

Almost surely, 2^6781048965 is an apocalyptic number.

It is an amenable number.

6781048965 is a deficient number, since it is larger than the sum of its proper divisors (5374670715).

6781048965 is a wasteful number, since it uses less digits than its factorization.

6781048965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154 (or 9151 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 6781048965 is about 82347.1248131955. The cubic root of 6781048965 is about 1892.7748649571.

The spelling of 6781048965 in words is "six billion, seven hundred eighty-one million, forty-eight thousand, nine hundred sixty-five".