127164364473 has 4 divisors (see below), whose sum is σ = 169552485968. Its totient is φ = 84776242980.

The previous prime is 127164364471. The next prime is 127164364489. The reversal of 127164364473 is 374463461721.

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.

It is not a de Polignac number, because 127164364473 - 2¹ = 127164364471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127164364471) 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, 21194060743 + ... + 21194060748.

It is an arithmetic number, because the mean of its divisors is an integer number (42388121492).

Almost surely, 2^127164364473 is an apocalyptic number.

It is an amenable number.

127164364473 is a deficient number, since it is larger than the sum of its proper divisors (42388121495).

127164364473 is an equidigital number, since it uses as much as digits as its factorization.

127164364473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42388121494.

The product of its digits is 2032128, while the sum is 48.

The spelling of 127164364473 in words is "one hundred twenty-seven billion, one hundred sixty-four million, three hundred sixty-four thousand, four hundred seventy-three".