9506421311 has 4 divisors (see below), whose sum is σ = 9513729624. Its totient is φ = 9499113000.

The previous prime is 9506421307. The next prime is 9506421319. The reversal of 9506421311 is 1131246059.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9506421311 - 2² = 9506421307 is a prime.

It is a super-2 number, since 2×9506421311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9506421319) 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, 3652205 + ... + 3654806.

It is an arithmetic number, because the mean of its divisors is an integer number (2378432406).

Almost surely, 2^9506421311 is an apocalyptic number.

9506421311 is a deficient number, since it is larger than the sum of its proper divisors (7308313).

9506421311 is a wasteful number, since it uses less digits than its factorization.

9506421311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308312.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9506421311 is about 97500.8785139908. The cubic root of 9506421311 is about 2118.3888695760.

The spelling of 9506421311 in words is "nine billion, five hundred six million, four hundred twenty-one thousand, three hundred eleven".