9565967401 has 2 divisors, whose sum is σ = 9565967402. Its totient is φ = 9565967400.

The previous prime is 9565967399. The next prime is 9565967431. The reversal of 9565967401 is 1047695659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8817397801 + 748569600 = 93901^2 + 27360^2 .

It is a cyclic number.

It is not a de Polignac number, because 9565967401 - 2¹ = 9565967399 is a prime.

Together with 9565967399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9565967431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4782983700 + 4782983701.

It is an arithmetic number, because the mean of its divisors is an integer number (4782983701).

Almost surely, 2^9565967401 is an apocalyptic number.

It is an amenable number.

9565967401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9565967401 is an equidigital number, since it uses as much as digits as its factorization.

9565967401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 9565967401 is about 97805.7636389594. The cubic root of 9565967401 is about 2122.8027041227.

The spelling of 9565967401 in words is "nine billion, five hundred sixty-five million, nine hundred sixty-seven thousand, four hundred one".