64236263246 has 16 divisors (see below), whose sum is σ = 97359633504. Its totient is φ = 31783133184.

The previous prime is 64236263243. The next prime is 64236263293.

64236263246 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64236263197 and 64236263206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64236263243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195711 + ... + 2224773.

It is an arithmetic number, because the mean of its divisors is an integer number (6084977094).

Almost surely, 2^64236263246 is an apocalyptic number.

64236263246 is a deficient number, since it is larger than the sum of its proper divisors (33123370258).

64236263246 is a wasteful number, since it uses less digits than its factorization.

64236263246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40555.

The product of its digits is 1492992, while the sum is 44.

The spelling of 64236263246 in words is "sixty-four billion, two hundred thirty-six million, two hundred sixty-three thousand, two hundred forty-six".