40253747166653 has 2 divisors, whose sum is σ = 40253747166654. Its totient is φ = 40253747166652.

The previous prime is 40253747166643. The next prime is 40253747166667. The reversal of 40253747166653 is 35666174735204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31974535087609 + 8279212079044 = 5654603^2 + 2877362^2 .

It is a cyclic number.

It is not a de Polignac number, because 40253747166653 - 2⁴ = 40253747166637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40253747166592 and 40253747166601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40253747166643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20126873583326 + 20126873583327.

It is an arithmetic number, because the mean of its divisors is an integer number (20126873583327).

Almost surely, 2^{40253747166653} is an apocalyptic number.

It is an amenable number.

40253747166653 is a deficient number, since it is larger than the sum of its proper divisors (1).

40253747166653 is an equidigital number, since it uses as much as digits as its factorization.

40253747166653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76204800, while the sum is 59.

The spelling of 40253747166653 in words is "forty trillion, two hundred fifty-three billion, seven hundred forty-seven million, one hundred sixty-six thousand, six hundred fifty-three".