1954894059075 has 24 divisors (see below), whose sum is σ = 3233293812400. Its totient is φ = 1042222325760.

The previous prime is 1954894059071. The next prime is 1954894059113. The reversal of 1954894059075 is 5709504984591.

It is a happy number.

It is not a de Polignac number, because 1954894059075 - 2² = 1954894059071 is a prime.

It is a super-2 number, since 2×1954894059075² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1954894058997 and 1954894059015.

It is not an unprimeable number, because it can be changed into a prime (1954894059071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4644970 + ... + 5048319.

Almost surely, 2^{1954894059075} is an apocalyptic number.

1954894059075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1954894059075 is a deficient number, since it is larger than the sum of its proper divisors (1278399753325).

1954894059075 is a wasteful number, since it uses less digits than its factorization.

1954894059075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695991 (or 9695986 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 66.

The spelling of 1954894059075 in words is "one trillion, nine hundred fifty-four billion, eight hundred ninety-four million, fifty-nine thousand, seventy-five".