641412326 has 4 divisors (see below), whose sum is σ = 962118492. Its totient is φ = 320706162.

The previous prime is 641412301. The next prime is 641412341. The reversal of 641412326 is 623214146.

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

It is a super-2 number, since 2×641412326² = 822819543889460552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160353080 + ... + 160353083.

It is an arithmetic number, because the mean of its divisors is an integer number (240529623).

Almost surely, 2^641412326 is an apocalyptic number.

641412326 is a deficient number, since it is larger than the sum of its proper divisors (320706166).

641412326 is a wasteful number, since it uses less digits than its factorization.

641412326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320706165.

The product of its digits is 6912, while the sum is 29.

The square root of 641412326 is about 25326.1194421885. The cubic root of 641412326 is about 862.4073194819.

The spelling of 641412326 in words is "six hundred forty-one million, four hundred twelve thousand, three hundred twenty-six".