43690487842641 has 8 divisors (see below), whose sum is σ = 61319982937120. Its totient is φ = 27593992321632.

The previous prime is 43690487842571. The next prime is 43690487842721. The reversal of 43690487842641 is 14624878409634.

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

It is not a de Polignac number, because 43690487842641 - 2¹⁰ = 43690487841617 is a prime.

It is a super-2 number, since 2×43690487842641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43690487842541) 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, 383249893300 + ... + 383249893413.

It is an arithmetic number, because the mean of its divisors is an integer number (7664997867140).

Almost surely, 2^{43690487842641} is an apocalyptic number.

It is an amenable number.

43690487842641 is a deficient number, since it is larger than the sum of its proper divisors (17629495094479).

43690487842641 is a wasteful number, since it uses less digits than its factorization.

43690487842641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766499786735.

The product of its (nonzero) digits is 222953472, while the sum is 66.

The spelling of 43690487842641 in words is "forty-three trillion, six hundred ninety billion, four hundred eighty-seven million, eight hundred forty-two thousand, six hundred forty-one".