38141639 has 2 divisors, whose sum is σ = 38141640. Its totient is φ = 38141638.

The previous prime is 38141633. The next prime is 38141647. The reversal of 38141639 is 93614183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38141639 - 2²⁴ = 21364423 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38141599 and 38141608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38141633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19070819 + 19070820.

It is an arithmetic number, because the mean of its divisors is an integer number (19070820).

Almost surely, 2^38141639 is an apocalyptic number.

38141639 is a deficient number, since it is larger than the sum of its proper divisors (1).

38141639 is an equidigital number, since it uses as much as digits as its factorization.

38141639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 38141639 is about 6175.8917574711. The cubic root of 38141639 is about 336.6147305217.

The spelling of 38141639 in words is "thirty-eight million, one hundred forty-one thousand, six hundred thirty-nine".