1897088715069 has 16 divisors (see below), whose sum is σ = 2566610952192. Its totient is φ = 1246225715888.

The previous prime is 1897088715013. The next prime is 1897088715077. The reversal of 1897088715069 is 9605178807981.

It is a cyclic number.

It is not a de Polignac number, because 1897088715069 - 2⁸ = 1897088714813 is a prime.

It is a super-2 number, since 2×1897088715069² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1897088714994 and 1897088715012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1897048715069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9850887 + ... + 10041620.

It is an arithmetic number, because the mean of its divisors is an integer number (160413184512).

Almost surely, 2^{1897088715069} is an apocalyptic number.

It is an amenable number.

1897088715069 is a deficient number, since it is larger than the sum of its proper divisors (669522237123).

1897088715069 is a wasteful number, since it uses less digits than its factorization.

1897088715069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19892976.

The product of its (nonzero) digits is 60963840, while the sum is 69.

The spelling of 1897088715069 in words is "one trillion, eight hundred ninety-seven billion, eighty-eight million, seven hundred fifteen thousand, sixty-nine".