201506464321 has 8 divisors (see below), whose sum is σ = 205227007488. Its totient is φ = 197799378000.

The previous prime is 201506464303. The next prime is 201506464387. The reversal of 201506464321 is 123464605102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201506464321 - 2⁷ = 201506464193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201506464921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333985 + ... + 3393886.

It is an arithmetic number, because the mean of its divisors is an integer number (25653375936).

Almost surely, 2^201506464321 is an apocalyptic number.

It is an amenable number.

201506464321 is a deficient number, since it is larger than the sum of its proper divisors (3720543167).

201506464321 is an equidigital number, since it uses as much as digits as its factorization.

201506464321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6728423.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 201506464321 in words is "two hundred one billion, five hundred six million, four hundred sixty-four thousand, three hundred twenty-one".