1825774049 has 8 divisors (see below), whose sum is σ = 2096582880. Its totient is φ = 1572436800.

The previous prime is 1825774039. The next prime is 1825774081. The reversal of 1825774049 is 9404775281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1825774049 - 2²⁰ = 1824725473 is a prime.

It is a super-4 number, since 4×1825774049⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1825773994 and 1825774012.

It is not an unprimeable number, because it can be changed into a prime (1825774039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367672 + ... + 4368089.

It is an arithmetic number, because the mean of its divisors is an integer number (262072860).

Almost surely, 2^1825774049 is an apocalyptic number.

1825774049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1825774049 is a deficient number, since it is larger than the sum of its proper divisors (270808831).

1825774049 is a wasteful number, since it uses less digits than its factorization.

1825774049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735791.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1825774049 is about 42729.0773244637. The cubic root of 1825774049 is about 1222.2189414424.

The spelling of 1825774049 in words is "one billion, eight hundred twenty-five million, seven hundred seventy-four thousand, forty-nine".