6551634746 has 4 divisors (see below), whose sum is σ = 9827452122. Its totient is φ = 3275817372.

The previous prime is 6551634679. The next prime is 6551634751. The reversal of 6551634746 is 6474361556.

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

It can be written as a sum of positive squares in only one way, i.e., 5222230225 + 1329404521 = 72265^2 + 36461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6551634746.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1637908685 + ... + 1637908688.

Almost surely, 2^6551634746 is an apocalyptic number.

6551634746 is a deficient number, since it is larger than the sum of its proper divisors (3275817376).

6551634746 is a wasteful number, since it uses less digits than its factorization.

6551634746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275817375.

The product of its digits is 1814400, while the sum is 47.

The square root of 6551634746 is about 80942.1691456314. The cubic root of 6551634746 is about 1871.1842752409.

The spelling of 6551634746 in words is "six billion, five hundred fifty-one million, six hundred thirty-four thousand, seven hundred forty-six".