41693991 has 4 divisors (see below), whose sum is σ = 55591992. Its totient is φ = 27795992.

The previous prime is 41693989. The next prime is 41694001. The reversal of 41693991 is 19939614.

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

It is a cyclic number.

It is not a de Polignac number, because 41693991 - 2¹ = 41693989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41693291) 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, 6948996 + ... + 6949001.

It is an arithmetic number, because the mean of its divisors is an integer number (13897998).

Almost surely, 2^41693991 is an apocalyptic number.

41693991 is a deficient number, since it is larger than the sum of its proper divisors (13898001).

41693991 is a wasteful number, since it uses less digits than its factorization.

41693991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13898000.

The product of its digits is 52488, while the sum is 42.

The square root of 41693991 is about 6457.0884305544. The cubic root of 41693991 is about 346.7564031540.

The spelling of 41693991 in words is "forty-one million, six hundred ninety-three thousand, nine hundred ninety-one".