4124720819 has 2 divisors, whose sum is σ = 4124720820. Its totient is φ = 4124720818.

The previous prime is 4124720791. The next prime is 4124720833. The reversal of 4124720819 is 9180274214.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4124720819 - 2⁸ = 4124720563 is a prime.

It is a super-2 number, since 2×4124720819² = 34026643669384061522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4124720839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062360409 + 2062360410.

It is an arithmetic number, because the mean of its divisors is an integer number (2062360410).

Almost surely, 2^4124720819 is an apocalyptic number.

4124720819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4124720819 is an equidigital number, since it uses as much as digits as its factorization.

4124720819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4124720819 is about 64223.9894354127. The cubic root of 4124720819 is about 1603.7309830648.

The spelling of 4124720819 in words is "four billion, one hundred twenty-four million, seven hundred twenty thousand, eight hundred nineteen".