1952478030719 has 2 divisors, whose sum is σ = 1952478030720. Its totient is φ = 1952478030718.

The previous prime is 1952478030707. The next prime is 1952478030779. The reversal of 1952478030719 is 9170308742591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1952478030719 - 2¹⁶ = 1952477965183 is a prime.

It is a super-2 number, since 2×1952478030719² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1952478030779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976239015359 + 976239015360.

It is an arithmetic number, because the mean of its divisors is an integer number (976239015360).

Almost surely, 2^{1952478030719} is an apocalyptic number.

1952478030719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952478030719 is an equidigital number, since it uses as much as digits as its factorization.

1952478030719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 1952478030719 in words is "one trillion, nine hundred fifty-two billion, four hundred seventy-eight million, thirty thousand, seven hundred nineteen".