741908318281 has 27 divisors (see below), whose sum is σ = 817943730759. Its totient is φ = 672631522992.

The previous prime is 741908318279. The next prime is 741908318299. The reversal of 741908318281 is 182813809147.

The square root of 741908318281 is 861341.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 109749751225 + 632158567056 = 331285^2 + 795084^2 .

It is not a de Polignac number, because 741908318281 - 2¹ = 741908318279 is a prime.

It is a super-2 number, since 2×741908318281² (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 (741908318681) 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 26 ways as a sum of consecutive naturals, for example, 660647986 + ... + 660649108.

Almost surely, 2^741908318281 is an apocalyptic number.

741908318281 is the 861341-st square number.

741908318281 is the 430671-st centered octagonal number.

It is an amenable number.

741908318281 is a deficient number, since it is larger than the sum of its proper divisors (76035412478).

741908318281 is an frugal number, since it uses more digits than its factorization.

741908318281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 741908318281 in words is "seven hundred forty-one billion, nine hundred eight million, three hundred eighteen thousand, two hundred eighty-one".