950991949 has 2 divisors, whose sum is σ = 950991950. Its totient is φ = 950991948.

The previous prime is 950991947. The next prime is 950991959. The reversal of 950991949 is 949199059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489515625 + 461476324 = 22125^2 + 21482^2 .

It is an emirp because it is prime and its reverse (949199059) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 950991949 - 2¹ = 950991947 is a prime.

Together with 950991947, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 950991949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (950991947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 475495974 + 475495975.

It is an arithmetic number, because the mean of its divisors is an integer number (475495975).

Almost surely, 2^950991949 is an apocalyptic number.

It is an amenable number.

950991949 is a deficient number, since it is larger than the sum of its proper divisors (1).

950991949 is an equidigital number, since it uses as much as digits as its factorization.

950991949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The square root of 950991949 is about 30838.1573541611. The cubic root of 950991949 is about 983.3896054235.

The spelling of 950991949 in words is "nine hundred fifty million, nine hundred ninety-one thousand, nine hundred forty-nine".