1019757973967 has 2 divisors, whose sum is σ = 1019757973968. Its totient is φ = 1019757973966.

The previous prime is 1019757973931. The next prime is 1019757974017. The reversal of 1019757973967 is 7693797579101.

It is a weak prime.

It is an emirp because it is prime and its reverse (7693797579101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1019757973967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1019757973967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1019754973967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509878986983 + 509878986984.

It is an arithmetic number, because the mean of its divisors is an integer number (509878986984).

Almost surely, 2^{1019757973967} is an apocalyptic number.

1019757973967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019757973967 is an equidigital number, since it uses as much as digits as its factorization.

1019757973967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157529610, while the sum is 71.

The spelling of 1019757973967 in words is "one trillion, nineteen billion, seven hundred fifty-seven million, nine hundred seventy-three thousand, nine hundred sixty-seven".