955639901 has 2 divisors, whose sum is σ = 955639902. Its totient is φ = 955639900.

The previous prime is 955639897. The next prime is 955639943. The reversal of 955639901 is 109936559.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929640100 + 25999801 = 30490^2 + 5099^2 .

It is an emirp because it is prime and its reverse (109936559) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 955639901 - 2² = 955639897 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (955639301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477819950 + 477819951.

It is an arithmetic number, because the mean of its divisors is an integer number (477819951).

Almost surely, 2^955639901 is an apocalyptic number.

It is an amenable number.

955639901 is a deficient number, since it is larger than the sum of its proper divisors (1).

955639901 is an equidigital number, since it uses as much as digits as its factorization.

955639901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 328050, while the sum is 47.

The square root of 955639901 is about 30913.4259020252. The cubic root of 955639901 is about 984.9891006893.

The spelling of 955639901 in words is "nine hundred fifty-five million, six hundred thirty-nine thousand, nine hundred one".