159472487969 has 2 divisors, whose sum is σ = 159472487970. Its totient is φ = 159472487968.

The previous prime is 159472487963. The next prime is 159472488001. The reversal of 159472487969 is 969784274951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143925390625 + 15547097344 = 379375^2 + 124688^2 .

It is a cyclic number.

It is not a de Polignac number, because 159472487969 - 2¹⁶ = 159472422433 is a prime.

It is a super-2 number, since 2×159472487969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159472487963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79736243984 + 79736243985.

It is an arithmetic number, because the mean of its divisors is an integer number (79736243985).

Almost surely, 2^159472487969 is an apocalyptic number.

It is an amenable number.

159472487969 is a deficient number, since it is larger than the sum of its proper divisors (1).

159472487969 is an equidigital number, since it uses as much as digits as its factorization.

159472487969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 71.

The spelling of 159472487969 in words is "one hundred fifty-nine billion, four hundred seventy-two million, four hundred eighty-seven thousand, nine hundred sixty-nine".