1954284413 has 4 divisors (see below), whose sum is σ = 1954487808. Its totient is φ = 1954081020.

The previous prime is 1954284407. The next prime is 1954284427. The reversal of 1954284413 is 3144824591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3144824591 = 38557 ⋅81563.

It is a cyclic number.

It is not a de Polignac number, because 1954284413 - 2¹⁸ = 1954022269 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 (1954284403) 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 3 ways as a sum of consecutive naturals, for example, 86531 + ... + 106752.

It is an arithmetic number, because the mean of its divisors is an integer number (488621952).

Almost surely, 2^1954284413 is an apocalyptic number.

It is an amenable number.

1954284413 is a deficient number, since it is larger than the sum of its proper divisors (203395).

1954284413 is a wasteful number, since it uses less digits than its factorization.

1954284413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203394.

The product of its digits is 138240, while the sum is 41.

The square root of 1954284413 is about 44207.2891387834. The cubic root of 1954284413 is about 1250.2472925139.

The spelling of 1954284413 in words is "one billion, nine hundred fifty-four million, two hundred eighty-four thousand, four hundred thirteen".