4949493900 has 144 divisors (see below), whose sum is σ = 16329517344. Its totient is φ = 1146654720.

The previous prime is 4949493889. The next prime is 4949493943. The reversal of 4949493900 is 93949494.

It is a super-2 number, since 2×4949493900² = 48994979732274420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28974 + ... + 103626.

It is an arithmetic number, because the mean of its divisors is an integer number (113399426).

Almost surely, 2^4949493900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4949493900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8164758672).

4949493900 is an abundant number, since it is smaller than the sum of its proper divisors (11380023444).

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

4949493900 is a wasteful number, since it uses less digits than its factorization.

4949493900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74700 (or 74693 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 4949493900 is about 70352.6396093281. The cubic root of 4949493900 is about 1704.1988364261.

The spelling of 4949493900 in words is "four billion, nine hundred forty-nine million, four hundred ninety-three thousand, nine hundred".