38147104691 has 2 divisors, whose sum is σ = 38147104692. Its totient is φ = 38147104690.

The previous prime is 38147104663. The next prime is 38147104727. The reversal of 38147104691 is 19640174183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38147104691 - 2¹⁰ = 38147103667 is a prime.

It is a super-2 number, since 2×38147104691² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38147104291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19073552345 + 19073552346.

It is an arithmetic number, because the mean of its divisors is an integer number (19073552346).

Almost surely, 2^38147104691 is an apocalyptic number.

38147104691 is a deficient number, since it is larger than the sum of its proper divisors (1).

38147104691 is an equidigital number, since it uses as much as digits as its factorization.

38147104691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 38147104691 in words is "thirty-eight billion, one hundred forty-seven million, one hundred four thousand, six hundred ninety-one".