499427254139 has 8 divisors (see below), whose sum is σ = 551393946432. Its totient is φ = 448554597640.

The previous prime is 499427254091. The next prime is 499427254153. The reversal of 499427254139 is 931452724994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499427254139 - 2⁸ = 499427253883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499427257139) 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, 273507989 + ... + 273509814.

It is an arithmetic number, because the mean of its divisors is an integer number (68924243304).

Almost surely, 2^499427254139 is an apocalyptic number.

499427254139 is a deficient number, since it is larger than the sum of its proper divisors (51966692293).

499427254139 is a wasteful number, since it uses less digits than its factorization.

499427254139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547017897.

The product of its digits is 19595520, while the sum is 59.

The spelling of 499427254139 in words is "four hundred ninety-nine billion, four hundred twenty-seven million, two hundred fifty-four thousand, one hundred thirty-nine".