645650207014 has 16 divisors (see below), whose sum is σ = 1025476426800. Its totient is φ = 303825915904.

The previous prime is 645650207011. The next prime is 645650207021. The reversal of 645650207014 is 410702056546.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (645650207011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877542 + ... + 1435750.

It is an arithmetic number, because the mean of its divisors is an integer number (64092276675).

Almost surely, 2^645650207014 is an apocalyptic number.

645650207014 is a deficient number, since it is larger than the sum of its proper divisors (379826219786).

645650207014 is a wasteful number, since it uses less digits than its factorization.

645650207014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592247.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 645650207014 in words is "six hundred forty-five billion, six hundred fifty million, two hundred seven thousand, fourteen".