640153602036301 has 2 divisors, whose sum is σ = 640153602036302. Its totient is φ = 640153602036300.

The previous prime is 640153602036283. The next prime is 640153602036371. The reversal of 640153602036301 is 103630206351046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546155264101225 + 93998337935076 = 23369965^2 + 9695274^2 .

It is a cyclic number.

It is not a de Polignac number, because 640153602036301 - 2⁷ = 640153602036173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (640153602036371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320076801018150 + 320076801018151.

It is an arithmetic number, because the mean of its divisors is an integer number (320076801018151).

Almost surely, 2^{640153602036301} is an apocalyptic number.

It is an amenable number.

640153602036301 is a deficient number, since it is larger than the sum of its proper divisors (1).

640153602036301 is an equidigital number, since it uses as much as digits as its factorization.

640153602036301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

Adding to 640153602036301 its reverse (103630206351046), we get a palindrome (743783808387347).

The spelling of 640153602036301 in words is "six hundred forty trillion, one hundred fifty-three billion, six hundred two million, thirty-six thousand, three hundred one".