519484949 has 4 divisors (see below), whose sum is σ = 536242560. Its totient is φ = 502727340.

The previous prime is 519484873. The next prime is 519485003. The reversal of 519484949 is 949484915.

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 519484949 - 2²⁸ = 251049493 is a prime.

It is a super-2 number, since 2×519484949² = 539729224475065202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 519484949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519484349) 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, 8378759 + ... + 8378820.

It is an arithmetic number, because the mean of its divisors is an integer number (134060640).

Almost surely, 2^519484949 is an apocalyptic number.

It is an amenable number.

519484949 is a deficient number, since it is larger than the sum of its proper divisors (16757611).

519484949 is a wasteful number, since it uses less digits than its factorization.

519484949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16757610.

The product of its digits is 1866240, while the sum is 53.

The square root of 519484949 is about 22792.2124639097. The cubic root of 519484949 is about 803.8795667278.

The spelling of 519484949 in words is "five hundred nineteen million, four hundred eighty-four thousand, nine hundred forty-nine".