40245475093 has 2 divisors, whose sum is σ = 40245475094. Its totient is φ = 40245475092.

The previous prime is 40245475069. The next prime is 40245475103. The reversal of 40245475093 is 39057454204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38137012369 + 2108462724 = 195287^2 + 45918^2 .

It is a cyclic number.

It is not a de Polignac number, because 40245475093 - 2¹³ = 40245466901 is a prime.

It is a super-2 number, since 2×40245475093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40245475013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122737546 + 20122737547.

It is an arithmetic number, because the mean of its divisors is an integer number (20122737547).

Almost surely, 2^40245475093 is an apocalyptic number.

It is an amenable number.

40245475093 is a deficient number, since it is larger than the sum of its proper divisors (1).

40245475093 is an equidigital number, since it uses as much as digits as its factorization.

40245475093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 40245475093 in words is "forty billion, two hundred forty-five million, four hundred seventy-five thousand, ninety-three".