40143337283393 has 2 divisors, whose sum is σ = 40143337283394. Its totient is φ = 40143337283392.

The previous prime is 40143337283261. The next prime is 40143337283429. The reversal of 40143337283393 is 39338273334104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30082723891984 + 10060613391409 = 5484772^2 + 3171847^2 .

It is a cyclic number.

It is not a de Polignac number, because 40143337283393 - 2¹⁰ = 40143337282369 is a prime.

It is a super-2 number, since 2×40143337283393² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40143337280393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20071668641696 + 20071668641697.

It is an arithmetic number, because the mean of its divisors is an integer number (20071668641697).

Almost surely, 2^{40143337283393} is an apocalyptic number.

It is an amenable number.

40143337283393 is a deficient number, since it is larger than the sum of its proper divisors (1).

40143337283393 is an equidigital number, since it uses as much as digits as its factorization.

40143337283393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 53.

The spelling of 40143337283393 in words is "forty trillion, one hundred forty-three billion, three hundred thirty-seven million, two hundred eighty-three thousand, three hundred ninety-three".