40677213529 has 2 divisors, whose sum is σ = 40677213530. Its totient is φ = 40677213528.

The previous prime is 40677213497. The next prime is 40677213559. The reversal of 40677213529 is 92531277604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30626750025 + 10050463504 = 175005^2 + 100252^2 .

It is a cyclic number.

It is not a de Polignac number, because 40677213529 - 2⁵ = 40677213497 is a prime.

It is not a weakly prime, because it can be changed into another prime (40677213559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20338606764 + 20338606765.

It is an arithmetic number, because the mean of its divisors is an integer number (20338606765).

Almost surely, 2^40677213529 is an apocalyptic number.

It is an amenable number.

40677213529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40677213529 is an equidigital number, since it uses as much as digits as its factorization.

40677213529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 40677213529 in words is "forty billion, six hundred seventy-seven million, two hundred thirteen thousand, five hundred twenty-nine".