245406064699 has 4 divisors (see below), whose sum is σ = 245636927536. Its totient is φ = 245175201864.

The previous prime is 245406064681. The next prime is 245406064753. The reversal of 245406064699 is 996460604542.

245406064699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245406064699 - 2²¹ = 245403967547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245406064609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115429824 + ... + 115431949.

It is an arithmetic number, because the mean of its divisors is an integer number (61409231884).

Almost surely, 2^245406064699 is an apocalyptic number.

245406064699 is a deficient number, since it is larger than the sum of its proper divisors (230862837).

245406064699 is a wasteful number, since it uses less digits than its factorization.

245406064699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230862836.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 245406064699 in words is "two hundred forty-five billion, four hundred six million, sixty-four thousand, six hundred ninety-nine".