42138946967 has 8 divisors (see below), whose sum is σ = 47353465824. Its totient is φ = 37206294048.

The previous prime is 42138946937. The next prime is 42138946987. The reversal of 42138946967 is 76964983124.

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

It is a cyclic number.

It is not a de Polignac number, because 42138946967 - 2⁶ = 42138946903 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 (42138946907) 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, 70466168 + ... + 70466765.

It is an arithmetic number, because the mean of its divisors is an integer number (5919183228).

Almost surely, 2^42138946967 is an apocalyptic number.

42138946967 is a deficient number, since it is larger than the sum of its proper divisors (5214518857).

42138946967 is a wasteful number, since it uses less digits than its factorization.

42138946967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140932969.

The product of its digits is 15676416, while the sum is 59.

The spelling of 42138946967 in words is "forty-two billion, one hundred thirty-eight million, nine hundred forty-six thousand, nine hundred sixty-seven".