263014421202545 has 8 divisors (see below), whose sum is σ = 316388985898920. Its totient is φ = 209897083324800.

The previous prime is 263014421202499. The next prime is 263014421202557. The reversal of 263014421202545 is 545202124410362.

It can be written as a sum of positive squares in 4 ways, for example, as 175453654875664 + 87560766326881 = 13245892^2 + 9357391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-263014421202545 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64306702406 + ... + 64306706495.

It is an arithmetic number, because the mean of its divisors is an integer number (39548623237365).

Almost surely, 2^{263014421202545} is an apocalyptic number.

It is an amenable number.

263014421202545 is a deficient number, since it is larger than the sum of its proper divisors (53374564696375).

263014421202545 is a wasteful number, since it uses less digits than its factorization.

263014421202545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128613409315.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 263014421202545 in words is "two hundred sixty-three trillion, fourteen billion, four hundred twenty-one million, two hundred two thousand, five hundred forty-five".