438157272484151 has 8 divisors (see below), whose sum is σ = 479766665379600. Its totient is φ = 396844031851840.

The previous prime is 438157272484123. The next prime is 438157272484157. The reversal of 438157272484151 is 151484272751834.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438157272484151 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 (438157272484157) 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, 74038062686 + ... + 74038068603.

It is an arithmetic number, because the mean of its divisors is an integer number (59970833172450).

Almost surely, 2^{438157272484151} is an apocalyptic number.

438157272484151 is a deficient number, since it is larger than the sum of its proper divisors (41609392895449).

438157272484151 is a wasteful number, since it uses less digits than its factorization.

438157272484151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148076131569.

The product of its digits is 60211200, while the sum is 62.

The spelling of 438157272484151 in words is "four hundred thirty-eight trillion, one hundred fifty-seven billion, two hundred seventy-two million, four hundred eighty-four thousand, one hundred fifty-one".