5100544023421 has 16 divisors (see below), whose sum is σ = 6635603294208. Its totient is φ = 3801647718000.

The previous prime is 5100544023389. The next prime is 5100544023473. The reversal of 5100544023421 is 1243204450015.

It is not a de Polignac number, because 5100544023421 - 2⁵ = 5100544023389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100544023481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440016305 + ... + 1440019846.

It is an arithmetic number, because the mean of its divisors is an integer number (414725205888).

Almost surely, 2^{5100544023421} is an apocalyptic number.

It is an amenable number.

5100544023421 is a deficient number, since it is larger than the sum of its proper divisors (1535059270787).

5100544023421 is a wasteful number, since it uses less digits than its factorization.

5100544023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880036192.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 5100544023421 its reverse (1243204450015), we get a palindrome (6343748473436).

The spelling of 5100544023421 in words is "five trillion, one hundred billion, five hundred forty-four million, twenty-three thousand, four hundred twenty-one".