2138624510 has 16 divisors (see below), whose sum is σ = 4199481072. Its totient is φ = 777681600.

The previous prime is 2138624489. The next prime is 2138624519. The reversal of 2138624510 is 154268312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138624519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9720911 + ... + 9721130.

It is an arithmetic number, because the mean of its divisors is an integer number (262467567).

Almost surely, 2^2138624510 is an apocalyptic number.

2138624510 is a deficient number, since it is larger than the sum of its proper divisors (2060856562).

2138624510 is a wasteful number, since it uses less digits than its factorization.

2138624510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442059.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2138624510 is about 46245.2647305646. The cubic root of 2138624510 is about 1288.3825872279.

The spelling of 2138624510 in words is "two billion, one hundred thirty-eight million, six hundred twenty-four thousand, five hundred ten".