5016051421 has 2 divisors, whose sum is σ = 5016051422. Its totient is φ = 5016051420.

The previous prime is 5016051419. The next prime is 5016051449. The reversal of 5016051421 is 1241506105.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4960384900 + 55666521 = 70430^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 5016051421 - 2¹ = 5016051419 is a prime.

It is a super-2 number, since 2×5016051421² = 50321543716232238482, which contains 22 as substring.

Together with 5016051419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5016051401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508025710 + 2508025711.

It is an arithmetic number, because the mean of its divisors is an integer number (2508025711).

Almost surely, 2^5016051421 is an apocalyptic number.

It is an amenable number.

5016051421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5016051421 is an equidigital number, since it uses as much as digits as its factorization.

5016051421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 5016051421 is about 70824.0878585810. The cubic root of 5016051421 is about 1711.8038283180.

Adding to 5016051421 its reverse (1241506105), we get a palindrome (6257557526).

The spelling of 5016051421 in words is "five billion, sixteen million, fifty-one thousand, four hundred twenty-one".