1967899783913 has 16 divisors (see below), whose sum is σ = 2280665088000. Its totient is φ = 1663103072592.

The previous prime is 1967899783907. The next prime is 1967899783919. The reversal of 1967899783913 is 3193879987691.

It is an interprime number because it is at equal distance from previous prime (1967899783907) and next prime (1967899783919).

It is a cyclic number.

It is not a de Polignac number, because 1967899783913 - 2¹² = 1967899779817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1967899783919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077073 + ... + 2872286.

It is an arithmetic number, because the mean of its divisors is an integer number (142541568000).

Almost surely, 2^{1967899783913} is an apocalyptic number.

It is an amenable number.

1967899783913 is a deficient number, since it is larger than the sum of its proper divisors (312765304087).

1967899783913 is an equidigital number, since it uses as much as digits as its factorization.

1967899783913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950164.

The product of its digits is 1111065984, while the sum is 80.

The spelling of 1967899783913 in words is "one trillion, nine hundred sixty-seven billion, eight hundred ninety-nine million, seven hundred eighty-three thousand, nine hundred thirteen".