531613400019 has 16 divisors (see below), whose sum is σ = 770097566112. Its totient is φ = 324251601408.

The previous prime is 531613400011. The next prime is 531613400023. The reversal of 531613400019 is 910004316135.

It is not a de Polignac number, because 531613400019 - 2³ = 531613400011 is a prime.

It is a super-2 number, since 2×531613400019² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531613400011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60310252 + ... + 60319065.

It is an arithmetic number, because the mean of its divisors is an integer number (48131097882).

Almost surely, 2^531613400019 is an apocalyptic number.

531613400019 is a deficient number, since it is larger than the sum of its proper divisors (238484166093).

531613400019 is a wasteful number, since it uses less digits than its factorization.

531613400019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120629446.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 531613400019 in words is "five hundred thirty-one billion, six hundred thirteen million, four hundred thousand, nineteen".