1842470649 has 6 divisors (see below), whose sum is σ = 2661346506. Its totient is φ = 1228313760.

The previous prime is 1842470621. The next prime is 1842470677. The reversal of 1842470649 is 9460742481.

It is an interprime number because it is at equal distance from previous prime (1842470621) and next prime (1842470677).

It can be written as a sum of positive squares in only one way, i.e., 988662249 + 853808400 = 31443^2 + 29220^2 .

It is not a de Polignac number, because 1842470649 - 2¹⁵ = 1842437881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1842470249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102359472 + ... + 102359489.

It is an arithmetic number, because the mean of its divisors is an integer number (443557751).

Almost surely, 2^1842470649 is an apocalyptic number.

It is an amenable number.

1842470649 is a deficient number, since it is larger than the sum of its proper divisors (818875857).

1842470649 is a wasteful number, since it uses less digits than its factorization.

1842470649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204718967 (or 204718964 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1842470649 is about 42924.0101691349. The cubic root of 1842470649 is about 1225.9333492699.

The spelling of 1842470649 in words is "one billion, eight hundred forty-two million, four hundred seventy thousand, six hundred forty-nine".