412642091 has 4 divisors (see below), whose sum is σ = 412955784. Its totient is φ = 412328400.

The previous prime is 412642033. The next prime is 412642117. The reversal of 412642091 is 190246214.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412642091 is a prime.

It is a super-3 number, since 3×412642091³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412642591) 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, 154865 + ... + 157506.

It is an arithmetic number, because the mean of its divisors is an integer number (103238946).

Almost surely, 2^412642091 is an apocalyptic number.

412642091 is a deficient number, since it is larger than the sum of its proper divisors (313693).

412642091 is a wasteful number, since it uses less digits than its factorization.

412642091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313692.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 412642091 is about 20313.5937490145. The cubic root of 412642091 is about 744.4882397434.

The spelling of 412642091 in words is "four hundred twelve million, six hundred forty-two thousand, ninety-one".