41643725352251 has 4 divisors (see below), whose sum is σ = 45429518566104. Its totient is φ = 37857932138400.

The previous prime is 41643725352199. The next prime is 41643725352259. The reversal of 41643725352251 is 15225352734614.

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

It is not a de Polignac number, because 41643725352251 - 2²² = 41643721157947 is a prime.

It is a super-2 number, since 2×41643725352251² (a number of 28 digits) contains 22 as substring.

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 41643725352251.

It is not an unprimeable number, because it can be changed into a prime (41643725352259) 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, 1892896606910 + ... + 1892896606931.

It is an arithmetic number, because the mean of its divisors is an integer number (11357379641526).

Almost surely, 2^{41643725352251} is an apocalyptic number.

41643725352251 is a deficient number, since it is larger than the sum of its proper divisors (3785793213853).

41643725352251 is a wasteful number, since it uses less digits than its factorization.

41643725352251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785793213852.

The product of its digits is 6048000, while the sum is 50.

The spelling of 41643725352251 in words is "forty-one trillion, six hundred forty-three billion, seven hundred twenty-five million, three hundred fifty-two thousand, two hundred fifty-one".