1954562011 has 4 divisors (see below), whose sum is σ = 2039542992. Its totient is φ = 1869581032.

The previous prime is 1954561993. The next prime is 1954562081. The reversal of 1954562011 is 1102654591.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1954562011 - 2⁷ = 1954561883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1954562081) 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, 42490456 + ... + 42490501.

It is an arithmetic number, because the mean of its divisors is an integer number (509885748).

Almost surely, 2^1954562011 is an apocalyptic number.

1954562011 is a deficient number, since it is larger than the sum of its proper divisors (84980981).

1954562011 is an equidigital number, since it uses as much as digits as its factorization.

1954562011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84980980.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1954562011 is about 44210.4287583823. The cubic root of 1954562011 is about 1250.3064871930.

The spelling of 1954562011 in words is "one billion, nine hundred fifty-four million, five hundred sixty-two thousand, eleven".