1954444656037 has 4 divisors (see below), whose sum is σ = 1961500413196. Its totient is φ = 1947388898880.

The previous prime is 1954444656013. The next prime is 1954444656139. The reversal of 1954444656037 is 7306564444591.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93945928036 + 1860498728001 = 306506^2 + 1364001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1954444656037 - 2¹⁵ = 1954444623269 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 (1954444656737) 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, 3527878164 + ... + 3527878717.

It is an arithmetic number, because the mean of its divisors is an integer number (490375103299).

Almost surely, 2^{1954444656037} is an apocalyptic number.

It is an amenable number.

1954444656037 is a deficient number, since it is larger than the sum of its proper divisors (7055757159).

1954444656037 is an equidigital number, since it uses as much as digits as its factorization.

1954444656037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055757158.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 1954444656037 in words is "one trillion, nine hundred fifty-four billion, four hundred forty-four million, six hundred fifty-six thousand, thirty-seven".