470157437021117 has 4 divisors (see below), whose sum is σ = 470158276559580. Its totient is φ = 470156597482656.

The previous prime is 470157437021093. The next prime is 470157437021119. The reversal of 470157437021117 is 711120734751074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 447938007386116 + 22219429635001 = 21164546^2 + 4713749^2 .

It is a cyclic number.

It is not a de Polignac number, because 470157437021117 - 2²² = 470157432826813 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 (470157437021119) 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, 418928642 + ... + 420049427.

It is an arithmetic number, because the mean of its divisors is an integer number (117539569139895).

Almost surely, 2^{470157437021117} is an apocalyptic number.

It is an amenable number.

470157437021117 is a deficient number, since it is larger than the sum of its proper divisors (839538463).

470157437021117 is an equidigital number, since it uses as much as digits as its factorization.

470157437021117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839538462.

The product of its (nonzero) digits is 1152480, while the sum is 50.

The spelling of 470157437021117 in words is "four hundred seventy trillion, one hundred fifty-seven billion, four hundred thirty-seven million, twenty-one thousand, one hundred seventeen".