2139459510 has 96 divisors (see below), whose sum is σ = 5335479072. Its totient is φ = 548997120.

The previous prime is 2139459479. The next prime is 2139459523. The reversal of 2139459510 is 159549312.

It is a super-3 number, since 3×2139459510³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 4640680 + ... + 4641140.

It is an arithmetic number, because the mean of its divisors is an integer number (55577907).

Almost surely, 2^2139459510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2139459510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667739536).

2139459510 is an abundant number, since it is smaller than the sum of its proper divisors (3196019562).

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

2139459510 is a wasteful number, since it uses less digits than its factorization.

2139459510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 2139459510 is about 46254.2918008697. The cubic root of 2139459510 is about 1288.5502431948.

The spelling of 2139459510 in words is "two billion, one hundred thirty-nine million, four hundred fifty-nine thousand, five hundred ten".