2919509274081 has 16 divisors (see below), whose sum is σ = 4037261342400. Its totient is φ = 1874393427648.

The previous prime is 2919509274053. The next prime is 2919509274091. The reversal of 2919509274081 is 1804729059192.

It is not a de Polignac number, because 2919509274081 - 2¹¹ = 2919509272033 is a prime.

It is a super-2 number, since 2×2919509274081² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2919509274091) 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, 43099291 + ... + 43166976.

It is an arithmetic number, because the mean of its divisors is an integer number (252328833900).

Almost surely, 2^{2919509274081} is an apocalyptic number.

It is an amenable number.

2919509274081 is a deficient number, since it is larger than the sum of its proper divisors (1117752068319).

2919509274081 is a wasteful number, since it uses less digits than its factorization.

2919509274081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86266688.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 2919509274081 in words is "two trillion, nine hundred nineteen billion, five hundred nine million, two hundred seventy-four thousand, eighty-one".