538680619 has 2 divisors, whose sum is σ = 538680620. Its totient is φ = 538680618.

The previous prime is 538680617. The next prime is 538680629. The reversal of 538680619 is 916086835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538680619 - 2¹ = 538680617 is a prime.

It is a super-2 number, since 2×538680619² = 580353618572446322, which contains 22 as substring.

Together with 538680617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (538680617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269340309 + 269340310.

It is an arithmetic number, because the mean of its divisors is an integer number (269340310).

Almost surely, 2^538680619 is an apocalyptic number.

538680619 is a deficient number, since it is larger than the sum of its proper divisors (1).

538680619 is an equidigital number, since it uses as much as digits as its factorization.

538680619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 538680619 is about 23209.4941564869. The cubic root of 538680619 is about 813.6615309480.

The spelling of 538680619 in words is "five hundred thirty-eight million, six hundred eighty thousand, six hundred nineteen".