3835868415997 has 2 divisors, whose sum is σ = 3835868415998. Its totient is φ = 3835868415996.

The previous prime is 3835868415991. The next prime is 3835868416073. The reversal of 3835868415997 is 7995148685383.

It is an a-pointer prime, because the next prime (3835868416073) can be obtained adding 3835868415997 to its sum of digits (76).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3511235121241 + 324633294756 = 1873829^2 + 569766^2 .

It is a cyclic number.

It is not a de Polignac number, because 3835868415997 - 2²⁷ = 3835734198269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3835868415991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917934207998 + 1917934207999.

It is an arithmetic number, because the mean of its divisors is an integer number (1917934207999).

Almost surely, 2^{3835868415997} is an apocalyptic number.

It is an amenable number.

3835868415997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3835868415997 is an equidigital number, since it uses as much as digits as its factorization.

3835868415997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1567641600, while the sum is 76.

The spelling of 3835868415997 in words is "three trillion, eight hundred thirty-five billion, eight hundred sixty-eight million, four hundred fifteen thousand, nine hundred ninety-seven".