40002146573 has 2 divisors, whose sum is σ = 40002146574. Its totient is φ = 40002146572.

The previous prime is 40002146543. The next prime is 40002146593. The reversal of 40002146573 is 37564120004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26874028489 + 13128118084 = 163933^2 + 114578^2 .

It is a cyclic number.

It is not a de Polignac number, because 40002146573 - 2¹⁶ = 40002081037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40002146543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001073286 + 20001073287.

It is an arithmetic number, because the mean of its divisors is an integer number (20001073287).

Almost surely, 2^40002146573 is an apocalyptic number.

It is an amenable number.

40002146573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40002146573 is an equidigital number, since it uses as much as digits as its factorization.

40002146573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 40002146573 its reverse (37564120004), we get a palindrome (77566266577).

The spelling of 40002146573 in words is "forty billion, two million, one hundred forty-six thousand, five hundred seventy-three".