919143682141 has 16 divisors (see below), whose sum is σ = 954529374960. Its totient is φ = 884010516480.

The previous prime is 919143682139. The next prime is 919143682213. The reversal of 919143682141 is 141286341919.

It can be written as a sum of positive squares in 8 ways, for example, as 47544058116 + 871599624025 = 218046^2 + 933595^2 .

It is a cyclic number.

It is not a de Polignac number, because 919143682141 - 2¹ = 919143682139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919143682741) 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, 7991941 + ... + 8106133.

It is an arithmetic number, because the mean of its divisors is an integer number (59658085935).

Almost surely, 2^919143682141 is an apocalyptic number.

It is an amenable number.

919143682141 is a deficient number, since it is larger than the sum of its proper divisors (35385692819).

919143682141 is a wasteful number, since it uses less digits than its factorization.

919143682141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115296.

The product of its digits is 373248, while the sum is 49.

The spelling of 919143682141 in words is "nine hundred nineteen billion, one hundred forty-three million, six hundred eighty-two thousand, one hundred forty-one".