4939512102 has 48 divisors (see below), whose sum is σ = 12378562560. Its totient is φ = 1394282736.

The previous prime is 4939512101. The next prime is 4939512119. The reversal of 4939512102 is 2012159394.

4939512102 is a `hidden beast` number, since 4 + 9 + 39 + 512 + 102 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4939512101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225702 + ... + 246617.

It is an arithmetic number, because the mean of its divisors is an integer number (257886720).

Almost surely, 2^4939512102 is an apocalyptic number.

4939512102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4939512102 is an abundant number, since it is smaller than the sum of its proper divisors (7439050458).

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

4939512102 is a wasteful number, since it uses less digits than its factorization.

4939512102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472417 (or 472414 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 4939512102 is about 70281.6626297358. The cubic root of 4939512102 is about 1703.0524285154.

The spelling of 4939512102 in words is "four billion, nine hundred thirty-nine million, five hundred twelve thousand, one hundred two".