4951899123 has 8 divisors (see below), whose sum is σ = 6607177728. Its totient is φ = 3298943304.

The previous prime is 4951899109. The next prime is 4951899131. The reversal of 4951899123 is 3219981594.

4951899123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4951899123 - 2⁵ = 4951899091 is a prime.

It is a Smith number, since the sum of its digits (51) 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 (4951899133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575715 + ... + 584252.

It is an arithmetic number, because the mean of its divisors is an integer number (825897216).

Almost surely, 2^4951899123 is an apocalyptic number.

4951899123 is a deficient number, since it is larger than the sum of its proper divisors (1655278605).

4951899123 is a wasteful number, since it uses less digits than its factorization.

4951899123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161393.

The product of its digits is 699840, while the sum is 51.

The square root of 4951899123 is about 70369.7315825490. The cubic root of 4951899123 is about 1704.4748454167.

The spelling of 4951899123 in words is "four billion, nine hundred fifty-one million, eight hundred ninety-nine thousand, one hundred twenty-three".