42641857862783 has 8 divisors (see below), whose sum is σ = 44496004839648. Its totient is φ = 40787723649024.

The previous prime is 42641857862761. The next prime is 42641857862789. The reversal of 42641857862783 is 38726875814624.

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

It is not a de Polignac number, because 42641857862783 - 2⁶ = 42641857862719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42641857862789) 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, 3979391 + ... + 10055807.

It is an arithmetic number, because the mean of its divisors is an integer number (5562000604956).

Almost surely, 2^{42641857862783} is an apocalyptic number.

42641857862783 is a deficient number, since it is larger than the sum of its proper divisors (1854146976865).

42641857862783 is a wasteful number, since it uses less digits than its factorization.

42641857862783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381553.

The product of its digits is 867041280, while the sum is 71.

The spelling of 42641857862783 in words is "forty-two trillion, six hundred forty-one billion, eight hundred fifty-seven million, eight hundred sixty-two thousand, seven hundred eighty-three".