201396613545 has 40 divisors (see below), whose sum is σ = 362532804480. Its totient is φ = 106962055200.

The previous prime is 201396613507. The next prime is 201396613547. The reversal of 201396613545 is 545316693102.

201396613545 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 96 + 6 + 13 + 545 = 666.

201396613545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201396613545 - 2²⁰ = 201395564969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 201396613545.

It is not an unprimeable number, because it can be changed into a prime (201396613547) 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 39 ways as a sum of consecutive naturals, for example, 943531 + ... + 1137120.

It is an arithmetic number, because the mean of its divisors is an integer number (9063320112).

Almost surely, 2^201396613545 is an apocalyptic number.

It is an amenable number.

201396613545 is a deficient number, since it is larger than the sum of its proper divisors (161136190935).

201396613545 is a wasteful number, since it uses less digits than its factorization.

201396613545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080907 (or 2080898 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 201396613545 in words is "two hundred one billion, three hundred ninety-six million, six hundred thirteen thousand, five hundred forty-five".