641415445 has 8 divisors (see below), whose sum is σ = 839671200. Its totient is φ = 466483920.

The previous prime is 641415413. The next prime is 641415469. The reversal of 641415445 is 544514146.

641415445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 641415445 - 2⁵ = 641415413 is a prime.

It is a super-2 number, since 2×641415445² = 822827546169096050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641415445.

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, 5830995 + ... + 5831104.

It is an arithmetic number, because the mean of its divisors is an integer number (104958900).

Almost surely, 2^641415445 is an apocalyptic number.

It is an amenable number.

641415445 is a deficient number, since it is larger than the sum of its proper divisors (198255755).

641415445 is a wasteful number, since it uses less digits than its factorization.

641415445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662115.

The product of its digits is 38400, while the sum is 34.

The square root of 641415445 is about 25326.1810188587. The cubic root of 641415445 is about 862.4087173576.

The spelling of 641415445 in words is "six hundred forty-one million, four hundred fifteen thousand, four hundred forty-five".