919088433481 has 9 divisors (see below), whose sum is σ = 934987774791. Its totient is φ = 903455059344.

The previous prime is 919088433421. The next prime is 919088433511. The reversal of 919088433481 is 184334880919.

The square root of 919088433481 is 958691.

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., 548353579081 + 370734854400 = 740509^2 + 608880^2 .

It is not a de Polignac number, because 919088433481 - 2¹¹ = 919088431433 is a prime.

It is a super-2 number, since 2×919088433481² (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 (919088433421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56554645 + ... + 56570893.

Almost surely, 2^919088433481 is an apocalyptic number.

919088433481 is the 958691-st square number.

919088433481 is the 479346-th centered octagonal number.

It is an amenable number.

919088433481 is a deficient number, since it is larger than the sum of its proper divisors (15899341310).

919088433481 is an frugal number, since it uses more digits than its factorization.

919088433481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32616 (or 16308 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 58.

It can be divided in two parts, 919088 and 433481, that added together give a square (1352569 = 1163²).

The spelling of 919088433481 in words is "nine hundred nineteen billion, eighty-eight million, four hundred thirty-three thousand, four hundred eighty-one".