2069409039687 has 144 divisors (see below), whose sum is σ = 3666774121920. Its totient is φ = 1118188431360.

The previous prime is 2069409039683. The next prime is 2069409039749. The reversal of 2069409039687 is 7869309049602.

2069409039687 is a `hidden beast` number, since 2 + 0 + 69 + 409 + 0 + 3 + 96 + 87 = 666.

It is not a de Polignac number, because 2069409039687 - 2² = 2069409039683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2069409039683) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 28418118 + ... + 28490844.

It is an arithmetic number, because the mean of its divisors is an integer number (25463709180).

Almost surely, 2^{2069409039687} is an apocalyptic number.

2069409039687 is a deficient number, since it is larger than the sum of its proper divisors (1597365082233).

2069409039687 is a wasteful number, since it uses less digits than its factorization.

2069409039687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72854 (or 72840 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 2069409039687 in words is "two trillion, sixty-nine billion, four hundred nine million, thirty-nine thousand, six hundred eighty-seven".