38467471661 has 2 divisors, whose sum is σ = 38467471662. Its totient is φ = 38467471660.

The previous prime is 38467471619. The next prime is 38467471711. The reversal of 38467471661 is 16617476483.

It is a happy number.

38467471661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37929510025 + 537961636 = 194755^2 + 23194^2 .

It is a cyclic number.

It is not a de Polignac number, because 38467471661 - 2¹⁰ = 38467470637 is a prime.

It is a super-3 number, since 3×38467471661³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38467471061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19233735830 + 19233735831.

It is an arithmetic number, because the mean of its divisors is an integer number (19233735831).

Almost surely, 2^38467471661 is an apocalyptic number.

It is an amenable number.

38467471661 is a deficient number, since it is larger than the sum of its proper divisors (1).

38467471661 is an equidigital number, since it uses as much as digits as its factorization.

38467471661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 53.

The spelling of 38467471661 in words is "thirty-eight billion, four hundred sixty-seven million, four hundred seventy-one thousand, six hundred sixty-one".