245310421021355 has 4 divisors (see below), whose sum is σ = 294372505225632. Its totient is φ = 196248336817080.

The previous prime is 245310421021339. The next prime is 245310421021423. The reversal of 245310421021355 is 553120124013542.

245310421021355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245310421021355 - 2⁴ = 245310421021339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24531042102131 + ... + 24531042102140.

It is an arithmetic number, because the mean of its divisors is an integer number (73593126306408).

Almost surely, 2^{245310421021355} is an apocalyptic number.

245310421021355 is a deficient number, since it is larger than the sum of its proper divisors (49062084204277).

245310421021355 is an equidigital number, since it uses as much as digits as its factorization.

245310421021355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49062084204276.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 245310421021355 its reverse (553120124013542), we get a palindrome (798430545034897).

The spelling of 245310421021355 in words is "two hundred forty-five trillion, three hundred ten billion, four hundred twenty-one million, twenty-one thousand, three hundred fifty-five".