5150023421 has 2 divisors, whose sum is σ = 5150023422. Its totient is φ = 5150023420.

The previous prime is 5150023399. The next prime is 5150023427. The reversal of 5150023421 is 1243200515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4790162521 + 359860900 = 69211^2 + 18970^2 .

It is a cyclic number.

It is not a de Polignac number, because 5150023421 - 2¹⁸ = 5149761277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5150023427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575011710 + 2575011711.

It is an arithmetic number, because the mean of its divisors is an integer number (2575011711).

Almost surely, 2^5150023421 is an apocalyptic number.

It is an amenable number.

5150023421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5150023421 is an equidigital number, since it uses as much as digits as its factorization.

5150023421 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 23.

The square root of 5150023421 is about 71763.6636536904. The cubic root of 5150023421 is about 1726.9101205886.

Adding to 5150023421 its reverse (1243200515), we get a palindrome (6393223936).

The spelling of 5150023421 in words is "five billion, one hundred fifty million, twenty-three thousand, four hundred twenty-one".