9641472481 has 9 divisors (see below), whose sum is σ = 9721366291. Its totient is φ = 9562232344.

The previous prime is 9641472437. The next prime is 9641472493. The reversal of 9641472481 is 1842741469.

The square root of 9641472481 is 98191.

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., 1129564881 + 8511907600 = 33609^2 + 92260^2 .

It is not a de Polignac number, because 9641472481 - 2⁹ = 9641471969 is a prime.

It is a super-2 number, since 2×9641472481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9641472881) 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, 14630130 + ... + 14630788.

Almost surely, 2^9641472481 is an apocalyptic number.

9641472481 is the 98191-st square number.

9641472481 is the 49096-th centered octagonal number.

It is an amenable number.

9641472481 is a deficient number, since it is larger than the sum of its proper divisors (79893810).

9641472481 is an frugal number, since it uses more digits than its factorization.

9641472481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 808 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The cubic root of 9641472481 is about 2128.3732339273.

The spelling of 9641472481 in words is "nine billion, six hundred forty-one million, four hundred seventy-two thousand, four hundred eighty-one".