1498963969 has 4 divisors (see below), whose sum is σ = 1519497796. Its totient is φ = 1478430144.

The previous prime is 1498963931. The next prime is 1498963993. The reversal of 1498963969 is 9693698941.

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 604176400 + 894787569 = 24580^2 + 29913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1498963969 - 2¹¹ = 1498961921 is a prime.

It is a super-2 number, since 2×1498963969² = 4493785960720465922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1498963969.

It is not an unprimeable number, because it can be changed into a prime (1498963069) 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, 10266804 + ... + 10266949.

It is an arithmetic number, because the mean of its divisors is an integer number (379874449).

Almost surely, 2^1498963969 is an apocalyptic number.

It is an amenable number.

1498963969 is a deficient number, since it is larger than the sum of its proper divisors (20533827).

1498963969 is an equidigital number, since it uses as much as digits as its factorization.

1498963969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20533826.

The product of its digits is 22674816, while the sum is 64.

The square root of 1498963969 is about 38716.4560490756. The cubic root of 1498963969 is about 1144.4506353114.

The spelling of 1498963969 in words is "one billion, four hundred ninety-eight million, nine hundred sixty-three thousand, nine hundred sixty-nine".