40503546653 has 2 divisors, whose sum is σ = 40503546654. Its totient is φ = 40503546652.

The previous prime is 40503546637. The next prime is 40503546679. The reversal of 40503546653 is 35664530504.

40503546653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27009936409 + 13493610244 = 164347^2 + 116162^2 .

It is a cyclic number.

It is not a de Polignac number, because 40503546653 - 2⁴ = 40503546637 is a prime.

It is a super-3 number, since 3×40503546653³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40503546653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40503546053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251773326 + 20251773327.

It is an arithmetic number, because the mean of its divisors is an integer number (20251773327).

Almost surely, 2^40503546653 is an apocalyptic number.

It is an amenable number.

40503546653 is a deficient number, since it is larger than the sum of its proper divisors (1).

40503546653 is an equidigital number, since it uses as much as digits as its factorization.

40503546653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 40503546653 in words is "forty billion, five hundred three million, five hundred forty-six thousand, six hundred fifty-three".