5431421536403 has 8 divisors (see below), whose sum is σ = 5738258998080. Its totient is φ = 5132553879040.

The previous prime is 5431421536367. The next prime is 5431421536423. The reversal of 5431421536403 is 3046351241345.

It is a happy number.

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 5431421536403 - 2⁶ = 5431421536339 is a prime.

It is a super-2 number, since 2×5431421536403² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5431421536423) 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, 1992449678 + ... + 1992452403.

It is an arithmetic number, because the mean of its divisors is an integer number (717282374760).

Almost surely, 2^{5431421536403} is an apocalyptic number.

5431421536403 is a deficient number, since it is larger than the sum of its proper divisors (306837461677).

5431421536403 is a wasteful number, since it uses less digits than its factorization.

5431421536403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984902157.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 5431421536403 its reverse (3046351241345), we get a palindrome (8477772777748).

The spelling of 5431421536403 in words is "five trillion, four hundred thirty-one billion, four hundred twenty-one million, five hundred thirty-six thousand, four hundred three".