1049976539 has 4 divisors (see below), whose sum is σ = 1050138600. Its totient is φ = 1049814480.

The previous prime is 1049976517. The next prime is 1049976563. The reversal of 1049976539 is 9356799401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9356799401 = 9173 ⋅1020037.

It is a cyclic number.

It is not a de Polignac number, because 1049976539 - 2⁸ = 1049976283 is a prime.

It is a super-2 number, since 2×1049976539² = 2204901464900837042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1049976139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70889 + ... + 84410.

It is an arithmetic number, because the mean of its divisors is an integer number (262534650).

Almost surely, 2^1049976539 is an apocalyptic number.

1049976539 is a deficient number, since it is larger than the sum of its proper divisors (162061).

1049976539 is an equidigital number, since it uses as much as digits as its factorization.

1049976539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162060.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 1049976539 is about 32403.3414789278. The cubic root of 1049976539 is about 1016.3887867029.

The spelling of 1049976539 in words is "one billion, forty-nine million, nine hundred seventy-six thousand, five hundred thirty-nine".