949042881 has 12 divisors (see below), whose sum is σ = 1378765908. Its totient is φ = 629037024.

The previous prime is 949042849. The next prime is 949042883. The reversal of 949042881 is 188240949.

It can be written as a sum of positive squares in 2 ways, for example, as 808833600 + 140209281 = 28440^2 + 11841^2 .

It is not a de Polignac number, because 949042881 - 2⁵ = 949042849 is a prime.

It is a super-2 number, since 2×949042881² = 1801364779953560322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (949042883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303210 + ... + 306323.

It is an arithmetic number, because the mean of its divisors is an integer number (114897159).

Almost surely, 2^949042881 is an apocalyptic number.

It is an amenable number.

949042881 is a deficient number, since it is larger than the sum of its proper divisors (429723027).

949042881 is a wasteful number, since it uses less digits than its factorization.

949042881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609712 (or 609709 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 949042881 is about 30806.5395817187. The cubic root of 949042881 is about 982.7173234853.

The spelling of 949042881 in words is "nine hundred forty-nine million, forty-two thousand, eight hundred eighty-one".