743221376465225 has 24 divisors (see below), whose sum is σ = 1055628406499520. Its totient is φ = 508487091952320.

The previous prime is 743221376465209. The next prime is 743221376465231. The reversal of 743221376465225 is 522564673122347.

It is not a de Polignac number, because 743221376465225 - 2⁴ = 743221376465209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4793352830 + ... + 4793507879.

It is an arithmetic number, because the mean of its divisors is an integer number (43984516937480).

Almost surely, 2^{743221376465225} is an apocalyptic number.

It is an amenable number.

743221376465225 is a deficient number, since it is larger than the sum of its proper divisors (312407030034295).

743221376465225 is a wasteful number, since it uses less digits than its factorization.

743221376465225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586861169 (or 9586861164 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 59.

The spelling of 743221376465225 in words is "seven hundred forty-three trillion, two hundred twenty-one billion, three hundred seventy-six million, four hundred sixty-five thousand, two hundred twenty-five".