38502709541 has 2 divisors, whose sum is σ = 38502709542. Its totient is φ = 38502709540.

The previous prime is 38502709537. The next prime is 38502709547. The reversal of 38502709541 is 14590720583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21995856100 + 16506853441 = 148310^2 + 128479^2 .

It is a cyclic number.

It is not a de Polignac number, because 38502709541 - 2² = 38502709537 is a prime.

It is a super-2 number, since 2×38502709541² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38502709492 and 38502709501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38502709547) 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, 19251354770 + 19251354771.

It is an arithmetic number, because the mean of its divisors is an integer number (19251354771).

Almost surely, 2^38502709541 is an apocalyptic number.

It is an amenable number.

38502709541 is a deficient number, since it is larger than the sum of its proper divisors (1).

38502709541 is an equidigital number, since it uses as much as digits as its factorization.

38502709541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 38502709541 in words is "thirty-eight billion, five hundred two million, seven hundred nine thousand, five hundred forty-one".