245121918403034 has 64 divisors (see below), whose sum is σ = 378904866508800. Its totient is φ = 118871695800000.

The previous prime is 245121918403031. The next prime is 245121918403039. The reversal of 245121918403034 is 430304819121542.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 245121918403034.

It is not an unprimeable number, because it can be changed into a prime (245121918403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10107691409 + ... + 10107715659.

It is an arithmetic number, because the mean of its divisors is an integer number (5920388539200).

Almost surely, 2^{245121918403034} is an apocalyptic number.

245121918403034 is a deficient number, since it is larger than the sum of its proper divisors (133782948105766).

245121918403034 is a wasteful number, since it uses less digits than its factorization.

245121918403034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26139.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 245121918403034 in words is "two hundred forty-five trillion, one hundred twenty-one billion, nine hundred eighteen million, four hundred three thousand, thirty-four".