1349866898 has 8 divisors (see below), whose sum is σ = 2025192780. Its totient is φ = 674802640.

The previous prime is 1349866877. The next prime is 1349866933. The reversal of 1349866898 is 8986689431.

It can be written as a sum of positive squares in 2 ways, for example, as 1269710689 + 80156209 = 35633^2 + 8953^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1349866898² = 3644281284632284808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1349866898.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51953 + ... + 73476.

Almost surely, 2^1349866898 is an apocalyptic number.

1349866898 is a deficient number, since it is larger than the sum of its proper divisors (675325882).

1349866898 is a wasteful number, since it uses less digits than its factorization.

1349866898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130812.

The product of its digits is 17915904, while the sum is 62.

The square root of 1349866898 is about 36740.5348083013. The cubic root of 1349866898 is about 1105.1731260309.

The spelling of 1349866898 in words is "one billion, three hundred forty-nine million, eight hundred sixty-six thousand, eight hundred ninety-eight".