4650989431 has 4 divisors (see below), whose sum is σ = 5073806664. Its totient is φ = 4228172200.

The previous prime is 4650989407. The next prime is 4650989467. The reversal of 4650989431 is 1349890564.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4650989431 - 2³¹ = 2503505783 is a prime.

It is a super-2 number, since 2×4650989431² = 43263405374547407522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4650989471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211408600 + ... + 211408621.

It is an arithmetic number, because the mean of its divisors is an integer number (1268451666).

Almost surely, 2^4650989431 is an apocalyptic number.

4650989431 is a deficient number, since it is larger than the sum of its proper divisors (422817233).

4650989431 is a wasteful number, since it uses less digits than its factorization.

4650989431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422817232.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 4650989431 is about 68198.1629591296. The cubic root of 4650989431 is about 1669.2259109808.

The spelling of 4650989431 in words is "four billion, six hundred fifty million, nine hundred eighty-nine thousand, four hundred thirty-one".