1954136601883 has 4 divisors (see below), whose sum is σ = 1954349921448. Its totient is φ = 1953923282320.

The previous prime is 1954136601853. The next prime is 1954136601889. The reversal of 1954136601883 is 3881066314591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954136601883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1954136601889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106646041 + ... + 106664362.

It is an arithmetic number, because the mean of its divisors is an integer number (488587480362).

Almost surely, 2^{1954136601883} is an apocalyptic number.

1954136601883 is a deficient number, since it is larger than the sum of its proper divisors (213319565).

1954136601883 is an equidigital number, since it uses as much as digits as its factorization.

1954136601883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213319564.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 1954136601883 in words is "one trillion, nine hundred fifty-four billion, one hundred thirty-six million, six hundred one thousand, eight hundred eighty-three".