201531746463 has 16 divisors (see below), whose sum is σ = 269034305280. Its totient is φ = 134191924416.

The previous prime is 201531746461. The next prime is 201531746531. The reversal of 201531746463 is 364647135102.

It is not a de Polignac number, because 201531746463 - 2¹ = 201531746461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201531746461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13022056 + ... + 13037522.

It is an arithmetic number, because the mean of its divisors is an integer number (16814644080).

Almost surely, 2^201531746463 is an apocalyptic number.

201531746463 is a deficient number, since it is larger than the sum of its proper divisors (67502558817).

201531746463 is a wasteful number, since it uses less digits than its factorization.

201531746463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20446.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 201531746463 in words is "two hundred one billion, five hundred thirty-one million, seven hundred forty-six thousand, four hundred sixty-three".