42152912999 has 4 divisors (see below), whose sum is σ = 42243176664. Its totient is φ = 42062649336.

The previous prime is 42152912969. The next prime is 42152913001. The reversal of 42152912999 is 99921925124.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42152912999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42152912999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42152912939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45131132 + ... + 45132065.

It is an arithmetic number, because the mean of its divisors is an integer number (10560794166).

Almost surely, 2^42152912999 is an apocalyptic number.

42152912999 is a deficient number, since it is larger than the sum of its proper divisors (90263665).

42152912999 is an equidigital number, since it uses as much as digits as its factorization.

42152912999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90263664.

The product of its digits is 1049760, while the sum is 53.

The spelling of 42152912999 in words is "forty-two billion, one hundred fifty-two million, nine hundred twelve thousand, nine hundred ninety-nine".