5650120642 has 4 divisors (see below), whose sum is σ = 8475180966. Its totient is φ = 2825060320.

The previous prime is 5650120633. The next prime is 5650120643. The reversal of 5650120642 is 2460210565.

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., 4371986641 + 1278134001 = 66121^2 + 35751^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5650120643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412530159 + ... + 1412530162.

Almost surely, 2^5650120642 is an apocalyptic number.

5650120642 is a deficient number, since it is larger than the sum of its proper divisors (2825060324).

5650120642 is a wasteful number, since it uses less digits than its factorization.

5650120642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825060323.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5650120642 is about 75167.2843862275. The cubic root of 5650120642 is about 1781.0901710915.

The spelling of 5650120642 in words is "five billion, six hundred fifty million, one hundred twenty thousand, six hundred forty-two".