42897921562211 has 32 divisors (see below), whose sum is σ = 45297691845120. Its totient is φ = 40567396665600.

The previous prime is 42897921562207. The next prime is 42897921562247. The reversal of 42897921562211 is 11226512979824.

It is a cyclic number.

It is not a de Polignac number, because 42897921562211 - 2² = 42897921562207 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42897921561211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819214916 + ... + 819267278.

It is an arithmetic number, because the mean of its divisors is an integer number (1415552870160).

Almost surely, 2^{42897921562211} is an apocalyptic number.

42897921562211 is a deficient number, since it is larger than the sum of its proper divisors (2399770282909).

42897921562211 is a wasteful number, since it uses less digits than its factorization.

42897921562211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55067.

The product of its digits is 8709120, while the sum is 59.

The spelling of 42897921562211 in words is "forty-two trillion, eight hundred ninety-seven billion, nine hundred twenty-one million, five hundred sixty-two thousand, two hundred eleven".