245808751406 has 32 divisors (see below), whose sum is σ = 392621849568. Its totient is φ = 115018398720.

The previous prime is 245808751393. The next prime is 245808751411. The reversal of 245808751406 is 604157808542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785661 + ... + 5827991.

It is an arithmetic number, because the mean of its divisors is an integer number (12269432799).

Almost surely, 2^245808751406 is an apocalyptic number.

245808751406 is a deficient number, since it is larger than the sum of its proper divisors (146813098162).

245808751406 is a wasteful number, since it uses less digits than its factorization.

245808751406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43316.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 245808751406 in words is "two hundred forty-five billion, eight hundred eight million, seven hundred fifty-one thousand, four hundred six".