2009949277501 has 16 divisors (see below), whose sum is σ = 2308123621440. Its totient is φ = 1731020872320.

The previous prime is 2009949277499. The next prime is 2009949277519. The reversal of 2009949277501 is 1057729499002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2009949277501 - 2¹ = 2009949277499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009949277571) 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, 16943671 + ... + 17061883.

It is an arithmetic number, because the mean of its divisors is an integer number (144257726340).

Almost surely, 2^{2009949277501} is an apocalyptic number.

It is an amenable number.

2009949277501 is a deficient number, since it is larger than the sum of its proper divisors (298174343939).

2009949277501 is a wasteful number, since it uses less digits than its factorization.

2009949277501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199596.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 2009949277501 in words is "two trillion, nine billion, nine hundred forty-nine million, two hundred seventy-seven thousand, five hundred one".