736612225921 has 32 divisors (see below), whose sum is σ = 886293023616. Its totient is φ = 603360576000.

The previous prime is 736612225873. The next prime is 736612225931. The reversal of 736612225921 is 129522216637.

It is not a de Polignac number, because 736612225921 - 2¹⁹ = 736611701633 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (736612225931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 820405 + ... + 1465021.

It is an arithmetic number, because the mean of its divisors is an integer number (27696656988).

Almost surely, 2^736612225921 is an apocalyptic number.

It is an amenable number.

736612225921 is a deficient number, since it is larger than the sum of its proper divisors (149680797695).

736612225921 is a wasteful number, since it uses less digits than its factorization.

736612225921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644833.

The product of its digits is 544320, while the sum is 46.

The spelling of 736612225921 in words is "seven hundred thirty-six billion, six hundred twelve million, two hundred twenty-five thousand, nine hundred twenty-one".