8953651493 has 2 divisors, whose sum is σ = 8953651494. Its totient is φ = 8953651492.

The previous prime is 8953651459. The next prime is 8953651517. The reversal of 8953651493 is 3941563598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8151742369 + 801909124 = 90287^2 + 28318^2 .

It is a cyclic number.

It is not a de Polignac number, because 8953651493 - 2⁸ = 8953651237 is a prime.

It is a super-2 number, since 2×8953651493² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8953651433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4476825746 + 4476825747.

It is an arithmetic number, because the mean of its divisors is an integer number (4476825747).

Almost surely, 2^8953651493 is an apocalyptic number.

It is an amenable number.

8953651493 is a deficient number, since it is larger than the sum of its proper divisors (1).

8953651493 is an equidigital number, since it uses as much as digits as its factorization.

8953651493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 53.

The square root of 8953651493 is about 94623.7364142846. The cubic root of 8953651493 is about 2076.5069804163.

The spelling of 8953651493 in words is "eight billion, nine hundred fifty-three million, six hundred fifty-one thousand, four hundred ninety-three".