4915662138 has 24 divisors (see below), whose sum is σ = 10800612576. Its totient is φ = 1615475400.

The previous prime is 4915662131. The next prime is 4915662163. The reversal of 4915662138 is 8312665194.

4915662138 is a `hidden beast` number, since 4 + 9 + 15 + 6 + 621 + 3 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4915662093 and 4915662102.

It is not an unprimeable number, because it can be changed into a prime (4915662131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1921908 + ... + 1924463.

It is an arithmetic number, because the mean of its divisors is an integer number (450025524).

Almost surely, 2^4915662138 is an apocalyptic number.

4915662138 is an abundant number, since it is smaller than the sum of its proper divisors (5884950438).

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

4915662138 is a wasteful number, since it uses less digits than its factorization.

4915662138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846450 (or 3846447 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 4915662138 is about 70111.7831608924. The cubic root of 4915662138 is about 1700.3069962299.

The spelling of 4915662138 in words is "four billion, nine hundred fifteen million, six hundred sixty-two thousand, one hundred thirty-eight".