2143077554 has 16 divisors (see below), whose sum is σ = 3432741120. Its totient is φ = 1001214480.

The previous prime is 2143077553. The next prime is 2143077589. The reversal of 2143077554 is 4557703412.

It is not an unprimeable number, because it can be changed into a prime (2143077553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594164 + ... + 597759.

It is an arithmetic number, because the mean of its divisors is an integer number (214546320).

Almost surely, 2^2143077554 is an apocalyptic number.

2143077554 is a deficient number, since it is larger than the sum of its proper divisors (1289663566).

2143077554 is a wasteful number, since it uses less digits than its factorization.

2143077554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191985.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 2143077554 is about 46293.3856398514. The cubic root of 2143077554 is about 1289.2761907110.

The spelling of 2143077554 in words is "two billion, one hundred forty-three million, seventy-seven thousand, five hundred fifty-four".