38547492541 has 2 divisors, whose sum is σ = 38547492542. Its totient is φ = 38547492540.

The previous prime is 38547492523. The next prime is 38547492569. The reversal of 38547492541 is 14529474583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24981066916 + 13566425625 = 158054^2 + 116475^2 .

It is a cyclic number.

It is not a de Polignac number, because 38547492541 - 2⁵ = 38547492509 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38547492241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19273746270 + 19273746271.

It is an arithmetic number, because the mean of its divisors is an integer number (19273746271).

Almost surely, 2^38547492541 is an apocalyptic number.

It is an amenable number.

38547492541 is a deficient number, since it is larger than the sum of its proper divisors (1).

38547492541 is an equidigital number, since it uses as much as digits as its factorization.

38547492541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 38547492541 in words is "thirty-eight billion, five hundred forty-seven million, four hundred ninety-two thousand, five hundred forty-one".