4951943539 has 16 divisors (see below), whose sum is σ = 5251276800. Its totient is φ = 4659944256.

The previous prime is 4951943537. The next prime is 4951943543. The reversal of 4951943539 is 9353491594.

It is not a de Polignac number, because 4951943539 - 2¹ = 4951943537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4951943537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699982 + ... + 707020.

It is an arithmetic number, because the mean of its divisors is an integer number (328204800).

Almost surely, 2^4951943539 is an apocalyptic number.

4951943539 is a deficient number, since it is larger than the sum of its proper divisors (299333261).

4951943539 is a wasteful number, since it uses less digits than its factorization.

4951943539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554.

The product of its digits is 2624400, while the sum is 52.

The square root of 4951943539 is about 70370.0471720746. The cubic root of 4951943539 is about 1704.4799414904.

The spelling of 4951943539 in words is "four billion, nine hundred fifty-one million, nine hundred forty-three thousand, five hundred thirty-nine".