5912138249 has 4 divisors (see below), whose sum is σ = 6223303440. Its totient is φ = 5600973060.

The previous prime is 5912138233. The next prime is 5912138257. The reversal of 5912138249 is 9428312195.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5912138249 - 2⁴ = 5912138233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5912138279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155582567 + ... + 155582604.

It is an arithmetic number, because the mean of its divisors is an integer number (1555825860).

Almost surely, 2^5912138249 is an apocalyptic number.

It is an amenable number.

5912138249 is a deficient number, since it is larger than the sum of its proper divisors (311165191).

5912138249 is a wasteful number, since it uses less digits than its factorization.

5912138249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311165190.

The product of its digits is 155520, while the sum is 44.

The square root of 5912138249 is about 76890.4301522628. The cubic root of 5912138249 is about 1808.2071977843.

The spelling of 5912138249 in words is "five billion, nine hundred twelve million, one hundred thirty-eight thousand, two hundred forty-nine".