245802456679 has 4 divisors (see below), whose sum is σ = 264710337976. Its totient is φ = 226894575384.

The previous prime is 245802456673. The next prime is 245802456701. The reversal of 245802456679 is 976654208542.

It is a happy number.

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 245802456679 - 2⁹ = 245802456167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245802456673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9453940629 + ... + 9453940654.

It is an arithmetic number, because the mean of its divisors is an integer number (66177584494).

Almost surely, 2^245802456679 is an apocalyptic number.

245802456679 is a deficient number, since it is larger than the sum of its proper divisors (18907881297).

245802456679 is a wasteful number, since it uses less digits than its factorization.

245802456679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18907881296.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 245802456679 in words is "two hundred forty-five billion, eight hundred two million, four hundred fifty-six thousand, six hundred seventy-nine".