42404011651 has 4 divisors (see below), whose sum is σ = 42553849432. Its totient is φ = 42254173872.

The previous prime is 42404011631. The next prime is 42404011679. The reversal of 42404011651 is 15611040424.

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 42404011651 - 2¹³ = 42404003459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42404011631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74918466 + ... + 74919031.

It is an arithmetic number, because the mean of its divisors is an integer number (10638462358).

Almost surely, 2^42404011651 is an apocalyptic number.

42404011651 is a deficient number, since it is larger than the sum of its proper divisors (149837781).

42404011651 is a wasteful number, since it uses less digits than its factorization.

42404011651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149837780.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 42404011651 in words is "forty-two billion, four hundred four million, eleven thousand, six hundred fifty-one".