1874834897 has 4 divisors (see below), whose sum is σ = 2019052980. Its totient is φ = 1730616816.

The previous prime is 1874834893. The next prime is 1874834909. The reversal of 1874834897 is 7984384781.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1043031616 + 831803281 = 32296^2 + 28841^2 .

It is a cyclic number.

It is not a de Polignac number, because 1874834897 - 2² = 1874834893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1874834893) 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, 72109022 + ... + 72109047.

It is an arithmetic number, because the mean of its divisors is an integer number (504763245).

Almost surely, 2^1874834897 is an apocalyptic number.

It is an amenable number.

1874834897 is a deficient number, since it is larger than the sum of its proper divisors (144218083).

1874834897 is a wasteful number, since it uses less digits than its factorization.

1874834897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144218082.

The product of its digits is 10838016, while the sum is 59.

The square root of 1874834897 is about 43299.3637020222. The cubic root of 1874834897 is about 1233.0698424129.

The spelling of 1874834897 in words is "one billion, eight hundred seventy-four million, eight hundred thirty-four thousand, eight hundred ninety-seven".