4368521794 has 24 divisors (see below), whose sum is σ = 8208982908. Its totient is φ = 1728205920.

The previous prime is 4368521777. The next prime is 4368521797. The reversal of 4368521794 is 4971258634.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4367491569 + 1030225 = 66087^2 + 1015^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (4368521797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1713217 + ... + 1715764.

Almost surely, 2^4368521794 is an apocalyptic number.

4368521794 is a deficient number, since it is larger than the sum of its proper divisors (3840461114).

4368521794 is a wasteful number, since it uses less digits than its factorization.

4368521794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429010 (or 3429003 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 4368521794 is about 66094.7940007381. The cubic root of 4368521794 is about 1634.7254937901.

The spelling of 4368521794 in words is "four billion, three hundred sixty-eight million, five hundred twenty-one thousand, seven hundred ninety-four".