41873661493 has 4 divisors (see below), whose sum is σ = 42056516140. Its totient is φ = 41690806848.

The previous prime is 41873661451. The next prime is 41873661521. The reversal of 41873661493 is 39416637814.

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 31506960004 + 10366701489 = 177502^2 + 101817^2 .

It is a cyclic number.

It is not a de Polignac number, because 41873661493 - 2¹⁷ = 41873530421 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 41873661493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41873661593) 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, 91426980 + ... + 91427437.

It is an arithmetic number, because the mean of its divisors is an integer number (10514129035).

Almost surely, 2^41873661493 is an apocalyptic number.

It is an amenable number.

41873661493 is a deficient number, since it is larger than the sum of its proper divisors (182854647).

41873661493 is a wasteful number, since it uses less digits than its factorization.

41873661493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182854646.

The product of its digits is 2612736, while the sum is 52.

The spelling of 41873661493 in words is "forty-one billion, eight hundred seventy-three million, six hundred sixty-one thousand, four hundred ninety-three".