40170751553 has 2 divisors, whose sum is σ = 40170751554. Its totient is φ = 40170751552.

The previous prime is 40170751493. The next prime is 40170751559. The reversal of 40170751553 is 35515707104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27011908609 + 13158842944 = 164353^2 + 114712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40170751553 is a prime.

It is a super-3 number, since 3×40170751553³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (40170751559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20085375776 + 20085375777.

It is an arithmetic number, because the mean of its divisors is an integer number (20085375777).

Almost surely, 2^40170751553 is an apocalyptic number.

It is an amenable number.

40170751553 is a deficient number, since it is larger than the sum of its proper divisors (1).

40170751553 is an equidigital number, since it uses as much as digits as its factorization.

40170751553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 40170751553 in words is "forty billion, one hundred seventy million, seven hundred fifty-one thousand, five hundred fifty-three".