9487001869 has 2 divisors, whose sum is σ = 9487001870. Its totient is φ = 9487001868.

The previous prime is 9487001837. The next prime is 9487001911. The reversal of 9487001869 is 9681007849.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5596984969 + 3890016900 = 74813^2 + 62370^2 .

It is a cyclic number.

It is not a de Polignac number, because 9487001869 - 2⁵ = 9487001837 is a prime.

It is a super-2 number, since 2×9487001869² (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 (9487061869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4743500934 + 4743500935.

It is an arithmetic number, because the mean of its divisors is an integer number (4743500935).

Almost surely, 2^9487001869 is an apocalyptic number.

It is an amenable number.

9487001869 is a deficient number, since it is larger than the sum of its proper divisors (1).

9487001869 is an equidigital number, since it uses as much as digits as its factorization.

9487001869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 9487001869 is about 97401.2416193962. The cubic root of 9487001869 is about 2116.9454251202.

The spelling of 9487001869 in words is "nine billion, four hundred eighty-seven million, one thousand, eight hundred sixty-nine".