103647452421 has 8 divisors (see below), whose sum is σ = 139861622880. Its totient is φ = 68265791792.

The previous prime is 103647452401. The next prime is 103647452423. The reversal of 103647452421 is 124254746301.

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

It is a cyclic number.

It is not a de Polignac number, because 103647452421 - 2⁹ = 103647451909 is a prime.

It is a super-2 number, since 2×103647452421² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103647452421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103647452423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208127166 + ... + 208127663.

It is an arithmetic number, because the mean of its divisors is an integer number (17482702860).

Almost surely, 2^103647452421 is an apocalyptic number.

It is an amenable number.

103647452421 is a deficient number, since it is larger than the sum of its proper divisors (36214170459).

103647452421 is an equidigital number, since it uses as much as digits as its factorization.

103647452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416254915.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 103647452421 in words is "one hundred three billion, six hundred forty-seven million, four hundred fifty-two thousand, four hundred twenty-one".