64460503040263 has 4 divisors (see below), whose sum is σ = 70320548771208. Its totient is φ = 58600457309320.

The previous prime is 64460503040239. The next prime is 64460503040281. The reversal of 64460503040263 is 36204030506446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64460503040263 - 2¹³ = 64460503032071 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 (64460503040363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2930022865456 + ... + 2930022865477.

It is an arithmetic number, because the mean of its divisors is an integer number (17580137192802).

Almost surely, 2^{64460503040263} is an apocalyptic number.

64460503040263 is a deficient number, since it is larger than the sum of its proper divisors (5860045730945).

64460503040263 is a wasteful number, since it uses less digits than its factorization.

64460503040263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860045730944.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 64460503040263 in words is "sixty-four trillion, four hundred sixty billion, five hundred three million, forty thousand, two hundred sixty-three".