8150172469 has 2 divisors, whose sum is σ = 8150172470. Its totient is φ = 8150172468.

The previous prime is 8150172461. The next prime is 8150172479. The reversal of 8150172469 is 9642710518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7759319569 + 390852900 = 88087^2 + 19770^2 .

It is a cyclic number.

It is not a de Polignac number, because 8150172469 - 2³ = 8150172461 is a prime.

It is a super-2 number, since 2×8150172469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8150172461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075086234 + 4075086235.

It is an arithmetic number, because the mean of its divisors is an integer number (4075086235).

Almost surely, 2^8150172469 is an apocalyptic number.

It is an amenable number.

8150172469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8150172469 is an equidigital number, since it uses as much as digits as its factorization.

8150172469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 8150172469 is about 90278.3056387303. The cubic root of 8150172469 is about 2012.4368741899.

The spelling of 8150172469 in words is "eight billion, one hundred fifty million, one hundred seventy-two thousand, four hundred sixty-nine".