5103665421 has 8 divisors (see below), whose sum is σ = 7205174784. Its totient is φ = 3202299840.

The previous prime is 5103665417. The next prime is 5103665429. The reversal of 5103665421 is 1245663015.

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

It is not a de Polignac number, because 5103665421 - 2² = 5103665417 is a prime.

It is a super-2 number, since 2×5103665421² = 52094801459022214482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5103665429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50035885 + ... + 50035986.

It is an arithmetic number, because the mean of its divisors is an integer number (900646848).

Almost surely, 2^5103665421 is an apocalyptic number.

5103665421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5103665421 is a deficient number, since it is larger than the sum of its proper divisors (2101509363).

5103665421 is a wasteful number, since it uses less digits than its factorization.

5103665421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100071891.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 5103665421 is about 71439.9427561361. The cubic root of 5103665421 is about 1721.7128939635.

The spelling of 5103665421 in words is "five billion, one hundred three million, six hundred sixty-five thousand, four hundred twenty-one".