245310421021338 has 32 divisors (see below), whose sum is σ = 491164473284352. Its totient is φ = 81679536993600.

The previous prime is 245310421021319. The next prime is 245310421021339. The reversal of 245310421021338 is 833120124013542.

It is a super-2 number, since 2×245310421021338² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245310421021296 and 245310421021305.

It is not an unprimeable number, because it can be changed into a prime (245310421021339) 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, 750542520 + ... + 750869292.

It is an arithmetic number, because the mean of its divisors is an integer number (15348889790136).

Almost surely, 2^{245310421021338} is an apocalyptic number.

245310421021338 is an abundant number, since it is smaller than the sum of its proper divisors (245854052263014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245310421021338 is a wasteful number, since it uses less digits than its factorization.

245310421021338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465030.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 245310421021338 in words is "two hundred forty-five trillion, three hundred ten billion, four hundred twenty-one million, twenty-one thousand, three hundred thirty-eight".