51263264363 has 32 divisors (see below), whose sum is σ = 57803300352. Its totient is φ = 45207360000.

The previous prime is 51263264341. The next prime is 51263264387. The reversal of 51263264363 is 36346236215.

It is a cyclic number.

It is not a de Polignac number, because 51263264363 - 2¹⁶ = 51263198827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51263264363.

It is not an unprimeable number, because it can be changed into a prime (51263264303) 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 31 ways as a sum of consecutive naturals, for example, 5982320 + ... + 5990882.

It is an arithmetic number, because the mean of its divisors is an integer number (1806353136).

Almost surely, 2^51263264363 is an apocalyptic number.

51263264363 is a deficient number, since it is larger than the sum of its proper divisors (6540035989).

51263264363 is a wasteful number, since it uses less digits than its factorization.

51263264363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915.

The product of its digits is 466560, while the sum is 41.

The spelling of 51263264363 in words is "fifty-one billion, two hundred sixty-three million, two hundred sixty-four thousand, three hundred sixty-three".