1486989869 has 4 divisors (see below), whose sum is σ = 1487286144. Its totient is φ = 1486693596.

The previous prime is 1486989853. The next prime is 1486989871. The reversal of 1486989869 is 9689896841.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9689896841 = 3947 ⋅2455003.

It is a cyclic number.

It is not a de Polignac number, because 1486989869 - 2⁴ = 1486989853 is a prime.

It is a super-2 number, since 2×1486989869² = 4422277741017274322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1486989799 and 1486989808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486989769) 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, 140477 + ... + 150690.

It is an arithmetic number, because the mean of its divisors is an integer number (371821536).

Almost surely, 2^1486989869 is an apocalyptic number.

It is an amenable number.

1486989869 is a deficient number, since it is larger than the sum of its proper divisors (296275).

1486989869 is an equidigital number, since it uses as much as digits as its factorization.

1486989869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296274.

The product of its digits is 53747712, while the sum is 68.

The square root of 1486989869 is about 38561.5076079761. The cubic root of 1486989869 is about 1141.3950984763.

The spelling of 1486989869 in words is "one billion, four hundred eighty-six million, nine hundred eighty-nine thousand, eight hundred sixty-nine".