201464363251 has 4 divisors (see below), whose sum is σ = 201468447400. Its totient is φ = 201460279104.

The previous prime is 201464363209. The next prime is 201464363291. The reversal of 201464363251 is 152363464102.

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 201464363251 - 2¹⁹ = 201463838963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201464363251.

It is not an unprimeable number, because it can be changed into a prime (201464363201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967166 + ... + 2067043.

It is an arithmetic number, because the mean of its divisors is an integer number (50367111850).

Almost surely, 2^201464363251 is an apocalyptic number.

201464363251 is a deficient number, since it is larger than the sum of its proper divisors (4084149).

201464363251 is an equidigital number, since it uses as much as digits as its factorization.

201464363251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084148.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 201464363251 in words is "two hundred one billion, four hundred sixty-four million, three hundred sixty-three thousand, two hundred fifty-one".