42431553640411 has 4 divisors (see below), whose sum is σ = 45695519305072. Its totient is φ = 39167587975752.

The previous prime is 42431553640403. The next prime is 42431553640439. The reversal of 42431553640411 is 11404635513424.

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

It is a cyclic number.

It is not a de Polignac number, because 42431553640411 - 2³ = 42431553640403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42431553640481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1631982832311 + ... + 1631982832336.

It is an arithmetic number, because the mean of its divisors is an integer number (11423879826268).

Almost surely, 2^{42431553640411} is an apocalyptic number.

42431553640411 is a deficient number, since it is larger than the sum of its proper divisors (3263965664661).

42431553640411 is a wasteful number, since it uses less digits than its factorization.

42431553640411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263965664660.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 42431553640411 in words is "forty-two trillion, four hundred thirty-one billion, five hundred fifty-three million, six hundred forty thousand, four hundred eleven".