1864737212 has 36 divisors (see below), whose sum is σ = 3549087360. Its totient is φ = 856881792.

The previous prime is 1864737209. The next prime is 1864737223. The reversal of 1864737212 is 2127374681.

It is a self number, because there is not a number n which added to its sum of digits gives 1864737212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151589 + ... + 163427.

It is an arithmetic number, because the mean of its divisors is an integer number (98585760).

Almost surely, 2^1864737212 is an apocalyptic number.

It is an amenable number.

1864737212 is a deficient number, since it is larger than the sum of its proper divisors (1684350148).

1864737212 is a wasteful number, since it uses less digits than its factorization.

1864737212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102 (or 12087 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 1864737212 is about 43182.6031174592. The cubic root of 1864737212 is about 1230.8521232997.

The spelling of 1864737212 in words is "one billion, eight hundred sixty-four million, seven hundred thirty-seven thousand, two hundred twelve".