64250045670002 has 4 divisors (see below), whose sum is σ = 96375068505006. Its totient is φ = 32125022835000.

The previous prime is 64250045669951. The next prime is 64250045670037. The reversal of 64250045670002 is 20007654005246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32658013248961 + 31592032421041 = 5714719^2 + 5620679^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16062511417499 + ... + 16062511417502.

Almost surely, 2^{64250045670002} is an apocalyptic number.

64250045670002 is a deficient number, since it is larger than the sum of its proper divisors (32125022835004).

64250045670002 is a wasteful number, since it uses less digits than its factorization.

64250045670002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32125022835003.

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 64250045670002 its reverse (20007654005246), we get a palindrome (84257699675248).

The spelling of 64250045670002 in words is "sixty-four trillion, two hundred fifty billion, forty-five million, six hundred seventy thousand, two".