41151891621 has 8 divisors (see below), whose sum is σ = 54899162944. Its totient is φ = 27419607360.

The previous prime is 41151891611. The next prime is 41151891623. The reversal of 41151891621 is 12619815114.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41151891621 - 2¹⁰ = 41151890597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41151891621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41151891623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740356 + ... + 3751341.

It is an arithmetic number, because the mean of its divisors is an integer number (6862395368).

Almost surely, 2^41151891621 is an apocalyptic number.

It is an amenable number.

41151891621 is a deficient number, since it is larger than the sum of its proper divisors (13747271323).

41151891621 is a wasteful number, since it uses less digits than its factorization.

41151891621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493531.

The product of its digits is 17280, while the sum is 39.

The spelling of 41151891621 in words is "forty-one billion, one hundred fifty-one million, eight hundred ninety-one thousand, six hundred twenty-one".