4939815650 has 48 divisors (see below), whose sum is σ = 11455248960. Its totient is φ = 1539681600.

The previous prime is 4939815623. The next prime is 4939815677. The reversal of 4939815650 is 565189394.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4939815623) and next prime (4939815677).

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637685 + ... + 645384.

It is an arithmetic number, because the mean of its divisors is an integer number (238651020).

Almost surely, 2^4939815650 is an apocalyptic number.

4939815650 is an abundant number, since it is smaller than the sum of its proper divisors (6515433310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4939815650 is a wasteful number, since it uses less digits than its factorization.

4939815650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283099 (or 1283094 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 4939815650 is about 70283.8221072246. The cubic root of 4939815650 is about 1703.0873137131.

The spelling of 4939815650 in words is "four billion, nine hundred thirty-nine million, eight hundred fifteen thousand, six hundred fifty".