1868695465 has 32 divisors (see below), whose sum is σ = 2812029696. Its totient is φ = 1160490240.

The previous prime is 1868695463. The next prime is 1868695487. The reversal of 1868695465 is 5645968681.

It is not a de Polignac number, because 1868695465 - 2¹ = 1868695463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1868695463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14631 + ... + 62860.

It is an arithmetic number, because the mean of its divisors is an integer number (87875928).

Almost surely, 2^1868695465 is an apocalyptic number.

It is an amenable number.

1868695465 is a deficient number, since it is larger than the sum of its proper divisors (943334231).

1868695465 is a wasteful number, since it uses less digits than its factorization.

1868695465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77569.

The product of its digits is 12441600, while the sum is 58.

The square root of 1868695465 is about 43228.4103917782. The cubic root of 1868695465 is about 1231.7224123101.

The spelling of 1868695465 in words is "one billion, eight hundred sixty-eight million, six hundred ninety-five thousand, four hundred sixty-five".