234154063570021 has 32 divisors (see below), whose sum is σ = 269781089011200. Its totient is φ = 199077535641600.

The previous prime is 234154063569953. The next prime is 234154063570033. The reversal of 234154063570021 is 120075360451432.

234154063570021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 234154063570021 - 2¹¹ = 234154063567973 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 234154063570021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234154063570121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4441354941 + ... + 4441407661.

It is an arithmetic number, because the mean of its divisors is an integer number (8430659031600).

Almost surely, 2^{234154063570021} is an apocalyptic number.

It is an amenable number.

234154063570021 is a deficient number, since it is larger than the sum of its proper divisors (35627025441179).

234154063570021 is a wasteful number, since it uses less digits than its factorization.

234154063570021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62725.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 234154063570021 in words is "two hundred thirty-four trillion, one hundred fifty-four billion, sixty-three million, five hundred seventy thousand, twenty-one".