3648785923 has 2 divisors, whose sum is σ = 3648785924. Its totient is φ = 3648785922.

The previous prime is 3648785873. The next prime is 3648785953. The reversal of 3648785923 is 3295878463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3648785923 - 2²⁵ = 3615231491 is a prime.

It is not a weakly prime, because it can be changed into another prime (3648785953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824392961 + 1824392962.

It is an arithmetic number, because the mean of its divisors is an integer number (1824392962).

Almost surely, 2^3648785923 is an apocalyptic number.

3648785923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648785923 is an equidigital number, since it uses as much as digits as its factorization.

3648785923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 55.

The square root of 3648785923 is about 60405.1812595575. The cubic root of 3648785923 is about 1539.5109937524.

The spelling of 3648785923 in words is "three billion, six hundred forty-eight million, seven hundred eighty-five thousand, nine hundred twenty-three".