64365452003 has 48 divisors (see below), whose sum is σ = 70864834560. Its totient is φ = 58428864000.

The previous prime is 64365451967. The next prime is 64365452009. The reversal of 64365452003 is 30025456346.

It is a happy number.

It is not a de Polignac number, because 64365452003 - 2²² = 64361257699 is a prime.

It is a super-2 number, since 2×64365452003² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64365452009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237510758 + ... + 237511028.

It is an arithmetic number, because the mean of its divisors is an integer number (1476350720).

Almost surely, 2^64365452003 is an apocalyptic number.

64365452003 is a deficient number, since it is larger than the sum of its proper divisors (6499382557).

64365452003 is a wasteful number, since it uses less digits than its factorization.

64365452003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 64365452003 in words is "sixty-four billion, three hundred sixty-five million, four hundred fifty-two thousand, three".