64651210453 has 4 divisors (see below), whose sum is σ = 68053905760. Its totient is φ = 61248515148.

The previous prime is 64651210433. The next prime is 64651210549. The reversal of 64651210453 is 35401215646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64651210453 - 2⁹ = 64651209941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64651210433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701347625 + ... + 1701347662.

It is an arithmetic number, because the mean of its divisors is an integer number (17013476440).

Almost surely, 2^64651210453 is an apocalyptic number.

It is an amenable number.

64651210453 is a deficient number, since it is larger than the sum of its proper divisors (3402695307).

64651210453 is a wasteful number, since it uses less digits than its factorization.

64651210453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402695306.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 64651210453 in words is "sixty-four billion, six hundred fifty-one million, two hundred ten thousand, four hundred fifty-three".