64419491446 has 16 divisors (see below), whose sum is σ = 100063058400. Its totient is φ = 31067400448.

The previous prime is 64419491413. The next prime is 64419491473.

64419491446 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64419491446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64419491393 and 64419491402.

It is a congruent number.

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, 507931 + ... + 621958.

It is an arithmetic number, because the mean of its divisors is an integer number (6253941150).

Almost surely, 2^64419491446 is an apocalyptic number.

64419491446 is a deficient number, since it is larger than the sum of its proper divisors (35643566954).

64419491446 is a wasteful number, since it uses less digits than its factorization.

64419491446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130903.

The product of its digits is 2985984, while the sum is 52.

The spelling of 64419491446 in words is "sixty-four billion, four hundred nineteen million, four hundred ninety-one thousand, four hundred forty-six".