754189770481 has 27 divisors (see below), whose sum is σ = 887154232779. Its totient is φ = 639283736448.

The previous prime is 754189770361. The next prime is 754189770539. The reversal of 754189770481 is 184077981457.

The square root of 754189770481 is 868441.

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., 338659983025 + 415529787456 = 581945^2 + 644616^2 .

It is not a de Polignac number, because 754189770481 - 2¹⁷ = 754189639409 is a prime.

It is a super-2 number, since 2×754189770481² (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 (754189780481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 589670800 + ... + 589672078.

It is an arithmetic number, because the mean of its divisors is an integer number (32857564177).

Almost surely, 2^754189770481 is an apocalyptic number.

754189770481 is the 868441-st square number.

754189770481 is the 434221-st centered octagonal number.

It is an amenable number.

754189770481 is a deficient number, since it is larger than the sum of its proper divisors (132964462298).

754189770481 is an frugal number, since it uses more digits than its factorization.

754189770481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 61.

The spelling of 754189770481 in words is "seven hundred fifty-four billion, one hundred eighty-nine million, seven hundred seventy thousand, four hundred eighty-one".