1974094049 has 4 divisors (see below), whose sum is σ = 1975781040. Its totient is φ = 1972407060.

The previous prime is 1974094033. The next prime is 1974094051. The reversal of 1974094049 is 9404904791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1974094049 - 2⁴ = 1974094033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1974093994 and 1974094012.

It is not an unprimeable number, because it can be changed into a prime (1974094069) 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, 841739 + ... + 844080.

It is an arithmetic number, because the mean of its divisors is an integer number (493945260).

Almost surely, 2^1974094049 is an apocalyptic number.

It is an amenable number.

1974094049 is a deficient number, since it is larger than the sum of its proper divisors (1686991).

1974094049 is a wasteful number, since it uses less digits than its factorization.

1974094049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686990.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1974094049 is about 44430.7781723435. The cubic root of 1974094049 is about 1254.4574829028.

The spelling of 1974094049 in words is "one billion, nine hundred seventy-four million, ninety-four thousand, forty-nine".