1403425552421 has 4 divisors (see below), whose sum is σ = 1477290055200. Its totient is φ = 1329561049644.

The previous prime is 1403425552387. The next prime is 1403425552481. The reversal of 1403425552421 is 1242555243041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1403425552421 - 2¹⁰ = 1403425551397 is a prime.

It is a super-2 number, since 2×1403425552421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403425552481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36932251361 + ... + 36932251398.

It is an arithmetic number, because the mean of its divisors is an integer number (369322513800).

Almost surely, 2^{1403425552421} is an apocalyptic number.

It is an amenable number.

1403425552421 is a deficient number, since it is larger than the sum of its proper divisors (73864502779).

1403425552421 is an equidigital number, since it uses as much as digits as its factorization.

1403425552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73864502778.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 1403425552421 in words is "one trillion, four hundred three billion, four hundred twenty-five million, five hundred fifty-two thousand, four hundred twenty-one".