1954081475 has 18 divisors (see below), whose sum is σ = 2466272580. Its totient is φ = 1535434000.

The previous prime is 1954081469. The next prime is 1954081489. The reversal of 1954081475 is 5741804591.

It is not a de Polignac number, because 1954081475 - 2¹⁰ = 1954080451 is a prime.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1697150 + ... + 1698300.

Almost surely, 2^1954081475 is an apocalyptic number.

1954081475 is a deficient number, since it is larger than the sum of its proper divisors (512191105).

1954081475 is an frugal number, since it uses more digits than its factorization.

1954081475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1954081475 is about 44204.9937789838. The cubic root of 1954081475 is about 1250.2040147006.

The spelling of 1954081475 in words is "one billion, nine hundred fifty-four million, eighty-one thousand, four hundred seventy-five".