5150421491 has 2 divisors, whose sum is σ = 5150421492. Its totient is φ = 5150421490.

The previous prime is 5150421433. The next prime is 5150421527. The reversal of 5150421491 is 1941240515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5150421491 - 2¹⁰ = 5150420467 is a prime.

It is not a weakly prime, because it can be changed into another prime (5150421091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575210745 + 2575210746.

It is an arithmetic number, because the mean of its divisors is an integer number (2575210746).

Almost surely, 2^5150421491 is an apocalyptic number.

5150421491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5150421491 is an equidigital number, since it uses as much as digits as its factorization.

5150421491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 5150421491 is about 71766.4370789020. The cubic root of 5150421491 is about 1726.9546131630.

The spelling of 5150421491 in words is "five billion, one hundred fifty million, four hundred twenty-one thousand, four hundred ninety-one".