1954483811 has 32 divisors (see below), whose sum is σ = 2488320000. Its totient is φ = 1496547360.

The previous prime is 1954483781. The next prime is 1954483837. The reversal of 1954483811 is 1183844591.

It is not a de Polignac number, because 1954483811 - 2¹⁰ = 1954482787 is a prime.

It is a super-2 number, since 2×1954483811² = 7640013934922167442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1954483841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212690 + ... + 221688.

It is an arithmetic number, because the mean of its divisors is an integer number (77760000).

Almost surely, 2^1954483811 is an apocalyptic number.

1954483811 is a deficient number, since it is larger than the sum of its proper divisors (533836189).

1954483811 is a wasteful number, since it uses less digits than its factorization.

1954483811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119.

The product of its digits is 138240, while the sum is 44.

The square root of 1954483811 is about 44209.5443428226. The cubic root of 1954483811 is about 1250.2898124818.

The spelling of 1954483811 in words is "one billion, nine hundred fifty-four million, four hundred eighty-three thousand, eight hundred eleven".