64245456323502 has 16 divisors (see below), whose sum is σ = 128589980444112. Its totient is φ = 21398640808320.

The previous prime is 64245456323437. The next prime is 64245456323561. The reversal of 64245456323502 is 20532365454246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4127816449 + ... + 4127832012.

It is an arithmetic number, because the mean of its divisors is an integer number (8036873777757).

Almost surely, 2^{64245456323502} is an apocalyptic number.

64245456323502 is an abundant number, since it is smaller than the sum of its proper divisors (64344524120610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64245456323502 is a wasteful number, since it uses less digits than its factorization.

64245456323502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255649763.

The product of its (nonzero) digits is 20736000, while the sum is 51.

The spelling of 64245456323502 in words is "sixty-four trillion, two hundred forty-five billion, four hundred fifty-six million, three hundred twenty-three thousand, five hundred two".