953631649 has 2 divisors, whose sum is σ = 953631650. Its totient is φ = 953631648.

The previous prime is 953631647. The next prime is 953631689. The reversal of 953631649 is 946136359.

953631649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520159249 + 433472400 = 22807^2 + 20820^2 .

It is a cyclic number.

It is not a de Polignac number, because 953631649 - 2¹ = 953631647 is a prime.

Together with 953631647, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 953631599 and 953631608.

It is not a weakly prime, because it can be changed into another prime (953631647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476815824 + 476815825.

It is an arithmetic number, because the mean of its divisors is an integer number (476815825).

Almost surely, 2^953631649 is an apocalyptic number.

It is an amenable number.

953631649 is a deficient number, since it is larger than the sum of its proper divisors (1).

953631649 is an equidigital number, since it uses as much as digits as its factorization.

953631649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 46.

The square root of 953631649 is about 30880.9269452845. The cubic root of 953631649 is about 984.2986406128.

The spelling of 953631649 in words is "nine hundred fifty-three million, six hundred thirty-one thousand, six hundred forty-nine".