40530042150973 has 2 divisors, whose sum is σ = 40530042150974. Its totient is φ = 40530042150972.

The previous prime is 40530042150953. The next prime is 40530042151033. The reversal of 40530042150973 is 37905124003504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40083105778884 + 446936372089 = 6331122^2 + 668533^2 .

It is a cyclic number.

It is not a de Polignac number, because 40530042150973 - 2¹³ = 40530042142781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40530042150953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20265021075486 + 20265021075487.

It is an arithmetic number, because the mean of its divisors is an integer number (20265021075487).

Almost surely, 2^{40530042150973} is an apocalyptic number.

It is an amenable number.

40530042150973 is a deficient number, since it is larger than the sum of its proper divisors (1).

40530042150973 is an equidigital number, since it uses as much as digits as its factorization.

40530042150973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 40530042150973 in words is "forty trillion, five hundred thirty billion, forty-two million, one hundred fifty thousand, nine hundred seventy-three".