1016381519 has 2 divisors, whose sum is σ = 1016381520. Its totient is φ = 1016381518.

The previous prime is 1016381507. The next prime is 1016381537. The reversal of 1016381519 is 9151836101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1016381519 - 2⁴ = 1016381503 is a prime.

It is a super-2 number, since 2×1016381519² = 2066062784329494722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1016381549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508190759 + 508190760.

It is an arithmetic number, because the mean of its divisors is an integer number (508190760).

Almost surely, 2^1016381519 is an apocalyptic number.

1016381519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1016381519 is an equidigital number, since it uses as much as digits as its factorization.

1016381519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1016381519 is about 31880.7389970810. The cubic root of 1016381519 is about 1005.4309576366.

The spelling of 1016381519 in words is "one billion, sixteen million, three hundred eighty-one thousand, five hundred nineteen".