1864344411 has 8 divisors (see below), whose sum is σ = 2761991760. Its totient is φ = 1242896256.

The previous prime is 1864344409. The next prime is 1864344451. The reversal of 1864344411 is 1144434681.

It is a happy number.

1864344411 is a `hidden beast` number, since 1 + 8 + 643 + 4 + 4 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 1864344411 - 2¹ = 1864344409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1864344451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34524870 + ... + 34524923.

It is an arithmetic number, because the mean of its divisors is an integer number (345248970).

Almost surely, 2^1864344411 is an apocalyptic number.

1864344411 is a deficient number, since it is larger than the sum of its proper divisors (897647349).

1864344411 is an equidigital number, since it uses as much as digits as its factorization.

1864344411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69049802 (or 69049796 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 1864344411 is about 43178.0547384896. The cubic root of 1864344411 is about 1230.7656921941.

The spelling of 1864344411 in words is "one billion, eight hundred sixty-four million, three hundred forty-four thousand, four hundred eleven".