2782986909995 has 16 divisors (see below), whose sum is σ = 3400750656000. Its totient is φ = 2185926838368.

The previous prime is 2782986909991. The next prime is 2782986910031. The reversal of 2782986909995 is 5999096892872.

It is a cyclic number.

It is not a de Polignac number, because 2782986909995 - 2² = 2782986909991 is a prime.

It is a super-2 number, since 2×2782986909995² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2782986909991) 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, 19609565 + ... + 19750974.

It is an arithmetic number, because the mean of its divisors is an integer number (212546916000).

Almost surely, 2^{2782986909995} is an apocalyptic number.

2782986909995 is a deficient number, since it is larger than the sum of its proper divisors (617763746005).

2782986909995 is a wasteful number, since it uses less digits than its factorization.

2782986909995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39360802.

The product of its (nonzero) digits is 3174474240, while the sum is 83.

The spelling of 2782986909995 in words is "two trillion, seven hundred eighty-two billion, nine hundred eighty-six million, nine hundred nine thousand, nine hundred ninety-five".