42873009261 has 8 divisors (see below), whose sum is σ = 58493408160. Its totient is φ = 27917308272.

The previous prime is 42873009251. The next prime is 42873009301. The reversal of 42873009261 is 16290037824.

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

It is not a de Polignac number, because 42873009261 - 2⁵ = 42873009229 is a prime.

It is a super-2 number, since 2×42873009261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42873009251) 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, 166174326 + ... + 166174583.

It is an arithmetic number, because the mean of its divisors is an integer number (7311676020).

Almost surely, 2^42873009261 is an apocalyptic number.

It is an amenable number.

42873009261 is a deficient number, since it is larger than the sum of its proper divisors (15620398899).

42873009261 is a wasteful number, since it uses less digits than its factorization.

42873009261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332348955.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 42873009261 in words is "forty-two billion, eight hundred seventy-three million, nine thousand, two hundred sixty-one".