4890146431 has 4 divisors (see below), whose sum is σ = 5058772200. Its totient is φ = 4721520664.

The previous prime is 4890146381. The next prime is 4890146467. The reversal of 4890146431 is 1346410984.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4890146431 is a prime.

It is a super-2 number, since 2×4890146431² = 47827064233244075522, 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 (4890146731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84312841 + ... + 84312898.

It is an arithmetic number, because the mean of its divisors is an integer number (1264693050).

Almost surely, 2^4890146431 is an apocalyptic number.

4890146431 is a deficient number, since it is larger than the sum of its proper divisors (168625769).

4890146431 is a wasteful number, since it uses less digits than its factorization.

4890146431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168625768.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 4890146431 is about 69929.5819449823. The cubic root of 4890146431 is about 1697.3599658039.

It can be divided in two parts, 4890 and 146431, that added together give a square (151321 = 389²).

The spelling of 4890146431 in words is "four billion, eight hundred ninety million, one hundred forty-six thousand, four hundred thirty-one".