6654274994 has 4 divisors (see below), whose sum is σ = 9981412494. Its totient is φ = 3327137496.

The previous prime is 6654274967. The next prime is 6654275029. The reversal of 6654274994 is 4994724566.

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., 6126975625 + 527299369 = 78275^2 + 22963^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663568747 + ... + 1663568750.

Almost surely, 2^6654274994 is an apocalyptic number.

6654274994 is a deficient number, since it is larger than the sum of its proper divisors (3327137500).

6654274994 is a wasteful number, since it uses less digits than its factorization.

6654274994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327137499.

The product of its digits is 13063680, while the sum is 56.

The square root of 6654274994 is about 81573.7396102447. The cubic root of 6654274994 is about 1880.9052334742.

The spelling of 6654274994 in words is "six billion, six hundred fifty-four million, two hundred seventy-four thousand, nine hundred ninety-four".