6961039245 has 48 divisors (see below), whose sum is σ = 12380567472. Its totient is φ = 3616005120.

The previous prime is 6961039223. The next prime is 6961039247. The reversal of 6961039245 is 5429301696.

6961039245 is a `hidden beast` number, since 6 + 9 + 610 + 3 + 9 + 24 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 557998884 + 6403040361 = 23622^2 + 80019^2 .

It is not a de Polignac number, because 6961039245 - 2⁵ = 6961039213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6961039245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6961039247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1246279 + ... + 1251851.

It is an arithmetic number, because the mean of its divisors is an integer number (257928489).

Almost surely, 2^6961039245 is an apocalyptic number.

It is an amenable number.

6961039245 is a deficient number, since it is larger than the sum of its proper divisors (5419528227).

6961039245 is a wasteful number, since it uses less digits than its factorization.

6961039245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302 (or 6299 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 6961039245 is about 83432.8427239537. The cubic root of 6961039245 is about 1909.3755663694.

The spelling of 6961039245 in words is "six billion, nine hundred sixty-one million, thirty-nine thousand, two hundred forty-five".