5138418452 has 6 divisors (see below), whose sum is σ = 8992232298. Its totient is φ = 2569209224.

The previous prime is 5138418449. The next prime is 5138418499. The reversal of 5138418452 is 2548148315.

It can be written as a sum of positive squares in only one way, i.e., 3457910416 + 1680508036 = 58804^2 + 40994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642302303 + ... + 642302310.

It is an arithmetic number, because the mean of its divisors is an integer number (1498705383).

Almost surely, 2^5138418452 is an apocalyptic number.

It is an amenable number.

5138418452 is a deficient number, since it is larger than the sum of its proper divisors (3853813846).

5138418452 is a wasteful number, since it uses less digits than its factorization.

5138418452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284604617 (or 1284604615 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The square root of 5138418452 is about 71682.7625862731. The cubic root of 5138418452 is about 1725.6120157844.

The spelling of 5138418452 in words is "five billion, one hundred thirty-eight million, four hundred eighteen thousand, four hundred fifty-two".