874679469049 has 3 divisors (see below), whose sum is σ = 874680404293. Its totient is φ = 874678533806.

The previous prime is 874679469019. The next prime is 874679469091. The reversal of 874679469049 is 940964976478.

The square root of 874679469049 is 935243.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 874679469049 - 2²³ = 874671080441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (874679469019) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 467622 + ... + 1402864.

Almost surely, 2^874679469049 is an apocalyptic number.

874679469049 is the 935243-rd square number.

874679469049 is the 467622-nd centered octagonal number.

It is an amenable number.

874679469049 is a deficient number, since it is larger than the sum of its proper divisors (935244).

874679469049 is an frugal number, since it uses more digits than its factorization.

874679469049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870486 (or 935243 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 874679469049 in words is "eight hundred seventy-four billion, six hundred seventy-nine million, four hundred sixty-nine thousand, forty-nine".