64362720452453 has 8 divisors (see below), whose sum is σ = 64510801622400. Its totient is φ = 64214785106640.

The previous prime is 64362720452423. The next prime is 64362720452467. The reversal of 64362720452453 is 35425402726346.

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 64362720452453 - 2²⁰ = 64362719403877 is a prime.

It is a super-3 number, since 3×64362720452453³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64362720452395 and 64362720452404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64362720452423) 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, 35572250 + ... + 37337787.

It is an arithmetic number, because the mean of its divisors is an integer number (8063850202800).

Almost surely, 2^{64362720452453} is an apocalyptic number.

It is an amenable number.

64362720452453 is a deficient number, since it is larger than the sum of its proper divisors (148081169947).

64362720452453 is a wasteful number, since it uses less digits than its factorization.

64362720452453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72912067.

The product of its (nonzero) digits is 29030400, while the sum is 53.

The spelling of 64362720452453 in words is "sixty-four trillion, three hundred sixty-two billion, seven hundred twenty million, four hundred fifty-two thousand, four hundred fifty-three".