624234604714421 has 8 divisors (see below), whose sum is σ = 645824069686200. Its totient is φ = 602649415327680.

The previous prime is 624234604714397. The next prime is 624234604714541. The reversal of 624234604714421 is 124417406432426.

It can be written as a sum of positive squares in 4 ways, for example, as 54127582551025 + 570107022163396 = 7357145^2 + 23876914^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-624234604714421 is a prime.

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 624234604714421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624234604717421) 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, 1068599210 + ... + 1069183211.

It is an arithmetic number, because the mean of its divisors is an integer number (80728008710775).

Almost surely, 2^{624234604714421} is an apocalyptic number.

It is an amenable number.

624234604714421 is a deficient number, since it is larger than the sum of its proper divisors (21589464971779).

624234604714421 is a wasteful number, since it uses less digits than its factorization.

624234604714421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137792519.

The product of its (nonzero) digits is 6193152, while the sum is 50.

The spelling of 624234604714421 in words is "six hundred twenty-four trillion, two hundred thirty-four billion, six hundred four million, seven hundred fourteen thousand, four hundred twenty-one".