64294249246 has 16 divisors (see below), whose sum is σ = 98535621888. Its totient is φ = 31454560800.

The previous prime is 64294249223. The next prime is 64294249249.

It is a happy number.

64294249246 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64294249246² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64294249193 and 64294249202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64294249249) 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, 1356285 + ... + 1402888.

It is an arithmetic number, because the mean of its divisors is an integer number (6158476368).

Almost surely, 2^64294249246 is an apocalyptic number.

64294249246 is a deficient number, since it is larger than the sum of its proper divisors (34241372642).

64294249246 is a wasteful number, since it uses less digits than its factorization.

64294249246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759427.

The product of its digits is 5971968, while the sum is 52.

The spelling of 64294249246 in words is "sixty-four billion, two hundred ninety-four million, two hundred forty-nine thousand, two hundred forty-six".