949949019 has 8 divisors (see below), whose sum is σ = 1407331920. Its totient is φ = 633299328.

The previous prime is 949949017. The next prime is 949949041. The reversal of 949949019 is 910949949.

It is not a de Polignac number, because 949949019 - 2¹ = 949949017 is a prime.

It is a super-2 number, since 2×949949019² = 1804806277398124722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (949949017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17591622 + ... + 17591675.

It is an arithmetic number, because the mean of its divisors is an integer number (175916490).

Almost surely, 2^949949019 is an apocalyptic number.

949949019 is a deficient number, since it is larger than the sum of its proper divisors (457382901).

949949019 is a wasteful number, since it uses less digits than its factorization.

949949019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35183306 (or 35183300 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 949949019 is about 30821.2429827222. The cubic root of 949949019 is about 983.0299873530.

The spelling of 949949019 in words is "nine hundred forty-nine million, nine hundred forty-nine thousand, nineteen".