2009796231477 has 16 divisors (see below), whose sum is σ = 2687088792960. Its totient is φ = 1336185600000.

The previous prime is 2009796231463. The next prime is 2009796231517. The reversal of 2009796231477 is 7741326979002.

It is a happy number.

It is not a de Polignac number, because 2009796231477 - 2³² = 2005501264181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009796236477) 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, 4604424 + ... + 5021982.

It is an arithmetic number, because the mean of its divisors is an integer number (167943049560).

Almost surely, 2^{2009796231477} is an apocalyptic number.

It is an amenable number.

2009796231477 is a deficient number, since it is larger than the sum of its proper divisors (677292561483).

2009796231477 is a wasteful number, since it uses less digits than its factorization.

2009796231477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421964.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 2009796231477 in words is "two trillion, nine billion, seven hundred ninety-six million, two hundred thirty-one thousand, four hundred seventy-seven".