2069375681 has 2 divisors, whose sum is σ = 2069375682. Its totient is φ = 2069375680.

The previous prime is 2069375653. The next prime is 2069375687. The reversal of 2069375681 is 1865739602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2061977281 + 7398400 = 45409^2 + 2720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2069375681 is a prime.

It is a super-2 number, since 2×2069375681² = 8564631418228427522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2069375687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034687840 + 1034687841.

It is an arithmetic number, because the mean of its divisors is an integer number (1034687841).

Almost surely, 2^2069375681 is an apocalyptic number.

It is an amenable number.

2069375681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069375681 is an equidigital number, since it uses as much as digits as its factorization.

2069375681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 2069375681 is about 45490.3910842719. The cubic root of 2069375681 is about 1274.3237589910.

The spelling of 2069375681 in words is "two billion, sixty-nine million, three hundred seventy-five thousand, six hundred eighty-one".