531834420743378 has 32 divisors (see below), whose sum is σ = 833709898644480. Its totient is φ = 254150876263680.

The previous prime is 531834420743341. The next prime is 531834420743389. The reversal of 531834420743378 is 873347024438135.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 531834420743378.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51503126 + ... + 60960977.

It is an arithmetic number, because the mean of its divisors is an integer number (26053434332640).

Almost surely, 2^{531834420743378} is an apocalyptic number.

531834420743378 is a deficient number, since it is larger than the sum of its proper divisors (301875477901102).

531834420743378 is a wasteful number, since it uses less digits than its factorization.

531834420743378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112465082.

The product of its (nonzero) digits is 162570240, while the sum is 62.

The spelling of 531834420743378 in words is "five hundred thirty-one trillion, eight hundred thirty-four billion, four hundred twenty million, seven hundred forty-three thousand, three hundred seventy-eight".