245854130698947 has 16 divisors (see below), whose sum is σ = 348511844014848. Its totient is φ = 153818499051360.

The previous prime is 245854130698889. The next prime is 245854130698963. The reversal of 245854130698947 is 749896031458542.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-245854130698947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245854130698447) by changing a digit.

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, 33614178829 + ... + 33614186142.

It is an arithmetic number, because the mean of its divisors is an integer number (21781990250928).

It is a 1-persistent number, because it is pandigital, but 2⋅245854130698947 = 491708261397894 is not.

Almost surely, 2^{245854130698947} is an apocalyptic number.

245854130698947 is a deficient number, since it is larger than the sum of its proper divisors (102657713315901).

245854130698947 is a wasteful number, since it uses less digits than its factorization.

245854130698947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67228365050.

The product of its (nonzero) digits is 2090188800, while the sum is 75.

The spelling of 245854130698947 in words is "two hundred forty-five trillion, eight hundred fifty-four billion, one hundred thirty million, six hundred ninety-eight thousand, nine hundred forty-seven".