3564477646 has 4 divisors (see below), whose sum is σ = 5346716472. Its totient is φ = 1782238822.

The previous prime is 3564477629. The next prime is 3564477659. The reversal of 3564477646 is 6467744653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6467744653 = 991 ⋅6526483.

It is a junction number, because it is equal to n+sod(n) for n = 3564477593 and 3564477602.

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, 891119410 + ... + 891119413.

It is an arithmetic number, because the mean of its divisors is an integer number (1336679118).

Almost surely, 2^3564477646 is an apocalyptic number.

3564477646 is a deficient number, since it is larger than the sum of its proper divisors (1782238826).

3564477646 is a wasteful number, since it uses less digits than its factorization.

3564477646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782238825.

The product of its digits is 10160640, while the sum is 52.

The square root of 3564477646 is about 59703.2465281412. The cubic root of 3564477646 is about 1527.5612458712.

The spelling of 3564477646 in words is "three billion, five hundred sixty-four million, four hundred seventy-seven thousand, six hundred forty-six".