5646287965 has 8 divisors (see below), whose sum is σ = 7009185240. Its totient is φ = 4361270592.

The previous prime is 5646287957. The next prime is 5646287987. The reversal of 5646287965 is 5697826465.

It can be written as a sum of positive squares in 4 ways, for example, as 306040036 + 5340247929 = 17494^2 + 73077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5646287965 - 2³ = 5646287957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19469814 + ... + 19470103.

It is an arithmetic number, because the mean of its divisors is an integer number (876148155).

Almost surely, 2^5646287965 is an apocalyptic number.

It is an amenable number.

5646287965 is a deficient number, since it is larger than the sum of its proper divisors (1362897275).

5646287965 is a wasteful number, since it uses less digits than its factorization.

5646287965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38939951.

The product of its digits is 21772800, while the sum is 58.

The square root of 5646287965 is about 75141.7857453494. The cubic root of 5646287965 is about 1780.6873544754.

The spelling of 5646287965 in words is "five billion, six hundred forty-six million, two hundred eighty-seven thousand, nine hundred sixty-five".