641422703 has 4 divisors (see below), whose sum is σ = 644106720. Its totient is φ = 638738688.

The previous prime is 641422697. The next prime is 641422709. The reversal of 641422703 is 307224146.

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

It is an interprime number because it is at equal distance from previous prime (641422697) and next prime (641422709).

It is a cyclic number.

It is not a de Polignac number, because 641422703 - 2⁸ = 641422447 is a prime.

It is a super-2 number, since 2×641422703² = 822846167847652418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641422709) 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, 1341650 + ... + 1342127.

It is an arithmetic number, because the mean of its divisors is an integer number (161026680).

Almost surely, 2^641422703 is an apocalyptic number.

641422703 is a deficient number, since it is larger than the sum of its proper divisors (2684017).

641422703 is a wasteful number, since it uses less digits than its factorization.

641422703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684016.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 641422703 is about 25326.3243089083. The cubic root of 641422703 is about 862.4119702357.

Adding to 641422703 its reverse (307224146), we get a palindrome (948646849).

The spelling of 641422703 in words is "six hundred forty-one million, four hundred twenty-two thousand, seven hundred three".