1049289451 has 4 divisors (see below), whose sum is σ = 1199187952. Its totient is φ = 899390952.

The previous prime is 1049289407. The next prime is 1049289503. The reversal of 1049289451 is 1549829401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1549829401 = 23 ⋅67383887.

It is a cyclic number.

It is not a de Polignac number, because 1049289451 - 2¹⁹ = 1048765163 is a prime.

It is a super-2 number, since 2×1049289451² = 2202016703959762802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049289398 and 1049289407.

It is not an unprimeable number, because it can be changed into a prime (1049289551) 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, 74949240 + ... + 74949253.

It is an arithmetic number, because the mean of its divisors is an integer number (299796988).

Almost surely, 2^1049289451 is an apocalyptic number.

1049289451 is a deficient number, since it is larger than the sum of its proper divisors (149898501).

1049289451 is an equidigital number, since it uses as much as digits as its factorization.

1049289451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149898500.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1049289451 is about 32392.7376274374. The cubic root of 1049289451 is about 1016.1670354233.

The spelling of 1049289451 in words is "one billion, forty-nine million, two hundred eighty-nine thousand, four hundred fifty-one".