42891250153 has 4 divisors (see below), whose sum is σ = 42891722640. Its totient is φ = 42890777668.

The previous prime is 42891250147. The next prime is 42891250211. The reversal of 42891250153 is 35105219824.

It is a happy number.

42891250153 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42891250153 - 2⁹ = 42891249641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42891256153) 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, 52375 + ... + 297532.

It is an arithmetic number, because the mean of its divisors is an integer number (10722930660).

Almost surely, 2^42891250153 is an apocalyptic number.

It is an amenable number.

42891250153 is a deficient number, since it is larger than the sum of its proper divisors (472487).

42891250153 is a wasteful number, since it uses less digits than its factorization.

42891250153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472486.

The product of its (nonzero) digits is 86400, while the sum is 40.

Adding to 42891250153 its reverse (35105219824), we get a palindrome (77996469977).

The spelling of 42891250153 in words is "forty-two billion, eight hundred ninety-one million, two hundred fifty thousand, one hundred fifty-three".