41812949 has 4 divisors (see below), whose sum is σ = 41853420. Its totient is φ = 41772480.

The previous prime is 41812943. The next prime is 41812951. The reversal of 41812949 is 94921814.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25150225 + 16662724 = 5015^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 41812949 - 2²⁴ = 25035733 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41812943) 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, 18644 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (10463355).

Almost surely, 2^41812949 is an apocalyptic number.

It is an amenable number.

41812949 is a deficient number, since it is larger than the sum of its proper divisors (40471).

41812949 is a wasteful number, since it uses less digits than its factorization.

41812949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40470.

The product of its digits is 20736, while the sum is 38.

The square root of 41812949 is about 6466.2932967814. The cubic root of 41812949 is about 347.0858693384.

The spelling of 41812949 in words is "forty-one million, eight hundred twelve thousand, nine hundred forty-nine".