6453478574 has 4 divisors (see below), whose sum is σ = 9680217864. Its totient is φ = 3226739286.

The previous prime is 6453478531. The next prime is 6453478601. The reversal of 6453478574 is 4758743546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4758743546 = 2 ⋅2379371773.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613369642 + ... + 1613369645.

It is an arithmetic number, because the mean of its divisors is an integer number (2420054466).

Almost surely, 2^6453478574 is an apocalyptic number.

6453478574 is a deficient number, since it is larger than the sum of its proper divisors (3226739290).

6453478574 is a wasteful number, since it uses less digits than its factorization.

6453478574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226739289.

The product of its digits is 11289600, while the sum is 53.

The square root of 6453478574 is about 80333.5457576721. The cubic root of 6453478574 is about 1861.7925615827.

The spelling of 6453478574 in words is "six billion, four hundred fifty-three million, four hundred seventy-eight thousand, five hundred seventy-four".