42653481081 has 8 divisors (see below), whose sum is σ = 56872385664. Its totient is φ = 28435115280.

The previous prime is 42653481067. The next prime is 42653481089. The reversal of 42653481081 is 18018435624.

It is a happy number.

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

It is not a de Polignac number, because 42653481081 - 2¹⁴ = 42653464697 is a prime.

It is a super-2 number, since 2×42653481081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42653481089) 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, 117471 + ... + 314811.

It is an arithmetic number, because the mean of its divisors is an integer number (7109048208).

Almost surely, 2^42653481081 is an apocalyptic number.

It is an amenable number.

42653481081 is a deficient number, since it is larger than the sum of its proper divisors (14218904583).

42653481081 is a wasteful number, since it uses less digits than its factorization.

42653481081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269391.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 42653481081 in words is "forty-two billion, six hundred fifty-three million, four hundred eighty-one thousand, eighty-one".