1049877591 has 16 divisors (see below), whose sum is σ = 1603627008. Its totient is φ = 598500000.

The previous prime is 1049877581. The next prime is 1049877593. The reversal of 1049877591 is 1957789401.

It is a happy number.

It is not a de Polignac number, because 1049877591 - 2¹⁰ = 1049876567 is a prime.

It is a super-2 number, since 2×1049877591² = 2204485912167926562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049877593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50535 + ... + 68216.

It is an arithmetic number, because the mean of its divisors is an integer number (100226688).

Almost surely, 2^1049877591 is an apocalyptic number.

1049877591 is a deficient number, since it is larger than the sum of its proper divisors (553749417).

1049877591 is a wasteful number, since it uses less digits than its factorization.

1049877591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119182.

The product of its (nonzero) digits is 635040, while the sum is 51.

The square root of 1049877591 is about 32401.8146251101. The cubic root of 1049877591 is about 1016.3568581175.

The spelling of 1049877591 in words is "one billion, forty-nine million, eight hundred seventy-seven thousand, five hundred ninety-one".