1955268714819 has 64 divisors (see below), whose sum is σ = 3237692571648. Its totient is φ = 1025090035200.

The previous prime is 1955268714787. The next prime is 1955268714821. The reversal of 1955268714819 is 9184178625591.

It is not a de Polignac number, because 1955268714819 - 2⁵ = 1955268714787 is a prime.

It is a super-2 number, since 2×1955268714819² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1955268714819.

It is not an unprimeable number, because it can be changed into a prime (1955268714859) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1114134 + ... + 2269764.

It is an arithmetic number, because the mean of its divisors is an integer number (50588946432).

Almost surely, 2^{1955268714819} is an apocalyptic number.

1955268714819 is a deficient number, since it is larger than the sum of its proper divisors (1282423856829).

1955268714819 is a wasteful number, since it uses less digits than its factorization.

1955268714819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155808.

The product of its digits is 43545600, while the sum is 66.

The spelling of 1955268714819 in words is "one trillion, nine hundred fifty-five billion, two hundred sixty-eight million, seven hundred fourteen thousand, eight hundred nineteen".