245324421551553 has 16 divisors (see below), whose sum is σ = 327614945936256. Its totient is φ = 163291771440000.

The previous prime is 245324421551551. The next prime is 245324421551569. The reversal of 245324421551553 is 355155124423542.

It is not a de Polignac number, because 245324421551553 - 2¹ = 245324421551551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245324421551496 and 245324421551505.

It is not an unprimeable number, because it can be changed into a prime (245324421551551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61204053 + ... + 65089053.

It is an arithmetic number, because the mean of its divisors is an integer number (20475934121016).

Almost surely, 2^{245324421551553} is an apocalyptic number.

It is an amenable number.

245324421551553 is a deficient number, since it is larger than the sum of its proper divisors (82290524384703).

245324421551553 is a wasteful number, since it uses less digits than its factorization.

245324421551553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918184.

The product of its digits is 14400000, while the sum is 51.

The spelling of 245324421551553 in words is "two hundred forty-five trillion, three hundred twenty-four billion, four hundred twenty-one million, five hundred fifty-one thousand, five hundred fifty-three".