201071344454 has 16 divisors (see below), whose sum is σ = 309594743568. Its totient is φ = 97887848352.

The previous prime is 201071344423. The next prime is 201071344469. The reversal of 201071344454 is 454443170102.

201071344454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 3660497 + ... + 3715020.

It is an arithmetic number, because the mean of its divisors is an integer number (19349671473).

Almost surely, 2^201071344454 is an apocalyptic number.

201071344454 is a deficient number, since it is larger than the sum of its proper divisors (108523399114).

201071344454 is a wasteful number, since it uses less digits than its factorization.

201071344454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375879.

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 201071344454 in words is "two hundred one billion, seventy-one million, three hundred forty-four thousand, four hundred fifty-four".