64264646246 has 4 divisors (see below), whose sum is σ = 96396969372. Its totient is φ = 32132323122.

The previous prime is 64264646239. The next prime is 64264646267.

64264646246 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 64264646194 and 64264646203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16066161560 + ... + 16066161563.

It is an arithmetic number, because the mean of its divisors is an integer number (24099242343).

Almost surely, 2^64264646246 is an apocalyptic number.

64264646246 is a deficient number, since it is larger than the sum of its proper divisors (32132323126).

64264646246 is a wasteful number, since it uses less digits than its factorization.

64264646246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32132323125.

The product of its digits is 7962624, while the sum is 50.

The spelling of 64264646246 in words is "sixty-four billion, two hundred sixty-four million, six hundred forty-six thousand, two hundred forty-six".