948913949 has 2 divisors, whose sum is σ = 948913950. Its totient is φ = 948913948.

The previous prime is 948913943. The next prime is 948913957. The reversal of 948913949 is 949319849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 917665849 + 31248100 = 30293^2 + 5590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-948913949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 948913894 and 948913903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (948913943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474456974 + 474456975.

It is an arithmetic number, because the mean of its divisors is an integer number (474456975).

Almost surely, 2^948913949 is an apocalyptic number.

It is an amenable number.

948913949 is a deficient number, since it is larger than the sum of its proper divisors (1).

948913949 is an equidigital number, since it uses as much as digits as its factorization.

948913949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 56.

The square root of 948913949 is about 30804.4469030041. The cubic root of 948913949 is about 982.6728191920.

The spelling of 948913949 in words is "nine hundred forty-eight million, nine hundred thirteen thousand, nine hundred forty-nine".