42154280279 has 4 divisors (see below), whose sum is σ = 42156358776. Its totient is φ = 42152201784.

The previous prime is 42154280263. The next prime is 42154280297. The reversal of 42154280279 is 97208245124.

42154280279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42154280279 - 2⁴ = 42154280263 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 (42154280249) 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, 1008524 + ... + 1049489.

It is an arithmetic number, because the mean of its divisors is an integer number (10539089694).

Almost surely, 2^42154280279 is an apocalyptic number.

42154280279 is a deficient number, since it is larger than the sum of its proper divisors (2078497).

42154280279 is a wasteful number, since it uses less digits than its factorization.

42154280279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078496.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 42154280279 in words is "forty-two billion, one hundred fifty-four million, two hundred eighty thousand, two hundred seventy-nine".