5265621019 has 2 divisors, whose sum is σ = 5265621020. Its totient is φ = 5265621018.

The previous prime is 5265620999. The next prime is 5265621043. The reversal of 5265621019 is 9101265625.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5265621019 is a prime.

It is a super-2 number, since 2×5265621019² = 55453529431469196722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5265621419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2632810509 + 2632810510.

It is an arithmetic number, because the mean of its divisors is an integer number (2632810510).

Almost surely, 2^5265621019 is an apocalyptic number.

5265621019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5265621019 is an equidigital number, since it uses as much as digits as its factorization.

5265621019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5265621019 is about 72564.5989377741. The cubic root of 5265621019 is about 1739.7353958623.

The spelling of 5265621019 in words is "five billion, two hundred sixty-five million, six hundred twenty-one thousand, nineteen".