2316421520263 has 16 divisors (see below), whose sum is σ = 2435771288160. Its totient is φ = 2199709008000.

The previous prime is 2316421520251. The next prime is 2316421520297. The reversal of 2316421520263 is 3620251246132.

It is a cyclic number.

It is not a de Polignac number, because 2316421520263 - 2²¹ = 2316419423111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316421520233) 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, 26627788 + ... + 26714638.

It is an arithmetic number, because the mean of its divisors is an integer number (152235705510).

Almost surely, 2^{2316421520263} is an apocalyptic number.

2316421520263 is a deficient number, since it is larger than the sum of its proper divisors (119349767897).

2316421520263 is a wasteful number, since it uses less digits than its factorization.

2316421520263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102018.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 2316421520263 its reverse (3620251246132), we get a palindrome (5936672766395).

The spelling of 2316421520263 in words is "two trillion, three hundred sixteen billion, four hundred twenty-one million, five hundred twenty thousand, two hundred sixty-three".