201573262465 has 16 divisors (see below), whose sum is σ = 243011508480. Its totient is φ = 160511276800.

The previous prime is 201573262441. The next prime is 201573262483. The reversal of 201573262465 is 564262375102.

It is not a de Polignac number, because 201573262465 - 2³¹ = 199425778817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828696 + ... + 1043974.

It is an arithmetic number, because the mean of its divisors is an integer number (15188219280).

Almost surely, 2^201573262465 is an apocalyptic number.

It is an amenable number.

201573262465 is a deficient number, since it is larger than the sum of its proper divisors (41438246015).

201573262465 is a wasteful number, since it uses less digits than its factorization.

201573262465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216152.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 201573262465 in words is "two hundred one billion, five hundred seventy-three million, two hundred sixty-two thousand, four hundred sixty-five".