641446514 has 8 divisors (see below), whose sum is σ = 962314860. Its totient is φ = 320674896.

The previous prime is 641446511. The next prime is 641446573. The reversal of 641446514 is 415644146.

It can be written as a sum of positive squares in 2 ways, for example, as 634183489 + 7263025 = 25183^2 + 2695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641446514² = 822907260645504392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641446511) 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, 4349 + ... + 36080.

Almost surely, 2^641446514 is an apocalyptic number.

641446514 is a deficient number, since it is larger than the sum of its proper divisors (320868346).

641446514 is a wasteful number, since it uses less digits than its factorization.

641446514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48364.

The product of its digits is 46080, while the sum is 35.

The square root of 641446514 is about 25326.7943885522. The cubic root of 641446514 is about 862.4226416371.

The spelling of 641446514 in words is "six hundred forty-one million, four hundred forty-six thousand, five hundred fourteen".