9411431261 has 4 divisors (see below), whose sum is σ = 9421433724. Its totient is φ = 9401428800.

The previous prime is 9411431243. The next prime is 9411431273. The reversal of 9411431261 is 1621341149.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1621341149 = 461 ⋅3517009.

It can be written as a sum of positive squares in 2 ways, for example, as 3171379225 + 6240052036 = 56315^2 + 78994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9411431261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9411451261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999820 + ... + 5001701.

It is an arithmetic number, because the mean of its divisors is an integer number (2355358431).

Almost surely, 2^9411431261 is an apocalyptic number.

It is an amenable number.

9411431261 is a deficient number, since it is larger than the sum of its proper divisors (10002463).

9411431261 is a wasteful number, since it uses less digits than its factorization.

9411431261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002462.

The product of its digits is 5184, while the sum is 32.

The square root of 9411431261 is about 97012.5314637238. The cubic root of 9411431261 is about 2111.3094498449.

It can be divided in two parts, 941 and 1431261, that multiplied together give a square (1346816601 = 36699²).

The spelling of 9411431261 in words is "nine billion, four hundred eleven million, four hundred thirty-one thousand, two hundred sixty-one".