731414137969 has 8 divisors (see below), whose sum is σ = 785047246920. Its totient is φ = 678959778816.

The previous prime is 731414137963. The next prime is 731414137973. The reversal of 731414137969 is 969731414137.

It can be written as a sum of positive squares in 4 ways, for example, as 188974522944 + 542439615025 = 434712^2 + 736505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 731414137969 - 2¹³ = 731414129777 is a prime.

It is a super-2 number, since 2×731414137969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731414137963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294686164 + ... + 294688645.

It is an arithmetic number, because the mean of its divisors is an integer number (98130905865).

Almost surely, 2^731414137969 is an apocalyptic number.

It is an amenable number.

731414137969 is a deficient number, since it is larger than the sum of its proper divisors (53633108951).

731414137969 is a wasteful number, since it uses less digits than its factorization.

731414137969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589374899.

The product of its digits is 3429216, while the sum is 55.

The spelling of 731414137969 in words is "seven hundred thirty-one billion, four hundred fourteen million, one hundred thirty-seven thousand, nine hundred sixty-nine".