671049417 has 4 divisors (see below), whose sum is σ = 894732560. Its totient is φ = 447366276.

The previous prime is 671049413. The next prime is 671049433. The reversal of 671049417 is 714940176.

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 not a de Polignac number, because 671049417 - 2² = 671049413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671049413) 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, 111841567 + ... + 111841572.

It is an arithmetic number, because the mean of its divisors is an integer number (223683140).

Almost surely, 2^671049417 is an apocalyptic number.

It is an amenable number.

671049417 is a deficient number, since it is larger than the sum of its proper divisors (223683143).

671049417 is a wasteful number, since it uses less digits than its factorization.

671049417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223683142.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 671049417 is about 25904.6215374786. The cubic root of 671049417 is about 875.4906274848.

The spelling of 671049417 in words is "six hundred seventy-one million, forty-nine thousand, four hundred seventeen".