3454857491 has 4 divisors (see below), whose sum is σ = 3467065752. Its totient is φ = 3442649232.

The previous prime is 3454857481. The next prime is 3454857503. The reversal of 3454857491 is 1947584543.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3454857491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3454857401) 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, 6103706 + ... + 6104271.

It is an arithmetic number, because the mean of its divisors is an integer number (866766438).

Almost surely, 2^3454857491 is an apocalyptic number.

3454857491 is a deficient number, since it is larger than the sum of its proper divisors (12208261).

3454857491 is a wasteful number, since it uses less digits than its factorization.

3454857491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12208260.

The product of its digits is 2419200, while the sum is 50.

The square root of 3454857491 is about 58778.0357871884. The cubic root of 3454857491 is about 1511.7386360554.

The spelling of 3454857491 in words is "three billion, four hundred fifty-four million, eight hundred fifty-seven thousand, four hundred ninety-one".