718780100481 has 15 divisors (see below), whose sum is σ = 1073744634963. Its totient is φ = 479181646800.

The previous prime is 718780100473. The next prime is 718780100509. The reversal of 718780100481 is 184001087817.

The square root of 718780100481 is 847809.

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

718780100481 is a `hidden beast` number, since 7 + 1 + 87 + 80 + 10 + 0 + 481 = 666.

It can be written as a sum of positive squares in only one way, i.e., 613103094081 + 105677006400 = 783009^2 + 325080^2 .

It is not a de Polignac number, because 718780100481 - 2³ = 718780100473 is a prime.

It is a super-2 number, since 2×718780100481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (718780100461) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7583181 + ... + 7677381.

Almost surely, 2^718780100481 is an apocalyptic number.

718780100481 is the 847809-th square number.

718780100481 is the 423905-th centered octagonal number.

It is an amenable number.

718780100481 is a deficient number, since it is larger than the sum of its proper divisors (354964534482).

718780100481 is an frugal number, since it uses more digits than its factorization.

718780100481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188414 (or 94204 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 45.

The spelling of 718780100481 in words is "seven hundred eighteen billion, seven hundred eighty million, one hundred thousand, four hundred eighty-one".