3665563142 has 4 divisors (see below), whose sum is σ = 5498344716. Its totient is φ = 1832781570.

The previous prime is 3665563123. The next prime is 3665563147. The reversal of 3665563142 is 2413655663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2413655663 = 13399 ⋅180137.

It is a self number, because there is not a number n which added to its sum of digits gives 3665563142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665563147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916390784 + ... + 916390787.

It is an arithmetic number, because the mean of its divisors is an integer number (1374586179).

Almost surely, 2^3665563142 is an apocalyptic number.

3665563142 is a deficient number, since it is larger than the sum of its proper divisors (1832781574).

3665563142 is a wasteful number, since it uses less digits than its factorization.

3665563142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832781573.

The product of its digits is 388800, while the sum is 41.

The square root of 3665563142 is about 60543.8943412133. The cubic root of 3665563142 is about 1541.8669579377.

The spelling of 3665563142 in words is "three billion, six hundred sixty-five million, five hundred sixty-three thousand, one hundred forty-two".