40389823534153 has 2 divisors, whose sum is σ = 40389823534154. Its totient is φ = 40389823534152.

The previous prime is 40389823534117. The next prime is 40389823534243. The reversal of 40389823534153 is 35143532898304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27998522397769 + 12391301136384 = 5291363^2 + 3520128^2 .

It is a cyclic number.

It is not a de Polignac number, because 40389823534153 - 2²¹ = 40389821437001 is a prime.

It is not a weakly prime, because it can be changed into another prime (40389824534153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20194911767076 + 20194911767077.

It is an arithmetic number, because the mean of its divisors is an integer number (20194911767077).

Almost surely, 2^{40389823534153} is an apocalyptic number.

It is an amenable number.

40389823534153 is a deficient number, since it is larger than the sum of its proper divisors (1).

40389823534153 is an equidigital number, since it uses as much as digits as its factorization.

40389823534153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 40389823534153 in words is "forty trillion, three hundred eighty-nine billion, eight hundred twenty-three million, five hundred thirty-four thousand, one hundred fifty-three".