1049562791 has 4 divisors (see below), whose sum is σ = 1073971272. Its totient is φ = 1025154312.

The previous prime is 1049562743. The next prime is 1049562799. The reversal of 1049562791 is 1972659401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1049562791 - 2⁶ = 1049562727 is a prime.

It is a super-2 number, since 2×1049562791² = 2203164104503419362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049562799) 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, 12204176 + ... + 12204261.

It is an arithmetic number, because the mean of its divisors is an integer number (268492818).

Almost surely, 2^1049562791 is an apocalyptic number.

1049562791 is a deficient number, since it is larger than the sum of its proper divisors (24408481).

1049562791 is an equidigital number, since it uses as much as digits as its factorization.

1049562791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24408480.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1049562791 is about 32396.9565082895. The cubic root of 1049562791 is about 1016.2552649650.

The spelling of 1049562791 in words is "one billion, forty-nine million, five hundred sixty-two thousand, seven hundred ninety-one".