1960999819 has 2 divisors, whose sum is σ = 1960999820. Its totient is φ = 1960999818.

The previous prime is 1960999787. The next prime is 1960999837. The reversal of 1960999819 is 9189990691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1960999819 - 2⁵ = 1960999787 is a prime.

It is a super-2 number, since 2×1960999819² = 7691040580236065522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1960999919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980499909 + 980499910.

It is an arithmetic number, because the mean of its divisors is an integer number (980499910).

Almost surely, 2^1960999819 is an apocalyptic number.

1960999819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960999819 is an equidigital number, since it uses as much as digits as its factorization.

1960999819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2834352, while the sum is 61.

The square root of 1960999819 is about 44283.1776073037. The cubic root of 1960999819 is about 1251.6777086143.

The spelling of 1960999819 in words is "one billion, nine hundred sixty million, nine hundred ninety-nine thousand, eight hundred nineteen".