4919127431 has 2 divisors, whose sum is σ = 4919127432. Its totient is φ = 4919127430.

The previous prime is 4919127401. The next prime is 4919127443. The reversal of 4919127431 is 1347219194.

4919127431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4919127431 is a prime.

It is a super-2 number, since 2×4919127431² = 48395629364833319522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4919127401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459563715 + 2459563716.

It is an arithmetic number, because the mean of its divisors is an integer number (2459563716).

Almost surely, 2^4919127431 is an apocalyptic number.

4919127431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4919127431 is an equidigital number, since it uses as much as digits as its factorization.

4919127431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 4919127431 is about 70136.4914363415. The cubic root of 4919127431 is about 1700.7064458376.

The spelling of 4919127431 in words is "four billion, nine hundred nineteen million, one hundred twenty-seven thousand, four hundred thirty-one".