7538870219 has 2 divisors, whose sum is σ = 7538870220. Its totient is φ = 7538870218.

The previous prime is 7538870173. The next prime is 7538870263. The reversal of 7538870219 is 9120788357.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7538870219 is a prime.

It is a super-2 number, since 2×7538870219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7538879219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769435109 + 3769435110.

It is an arithmetic number, because the mean of its divisors is an integer number (3769435110).

Almost surely, 2^7538870219 is an apocalyptic number.

7538870219 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538870219 is an equidigital number, since it uses as much as digits as its factorization.

7538870219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 7538870219 is about 86826.6676718622. The cubic root of 7538870219 is about 1960.8095901451.

The spelling of 7538870219 in words is "seven billion, five hundred thirty-eight million, eight hundred seventy thousand, two hundred nineteen".