2646290493338 has 32 divisors (see below), whose sum is σ = 4286342707200. Its totient is φ = 1221549003136.

The previous prime is 2646290493331. The next prime is 2646290493389. The reversal of 2646290493338 is 8333940926462.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2646290493331) 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, 3496070 + ... + 4185102.

It is an arithmetic number, because the mean of its divisors is an integer number (133948209600).

Almost surely, 2^{2646290493338} is an apocalyptic number.

2646290493338 is a deficient number, since it is larger than the sum of its proper divisors (1640052213862).

2646290493338 is a wasteful number, since it uses less digits than its factorization.

2646290493338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691966.

The product of its (nonzero) digits is 40310784, while the sum is 59.

The spelling of 2646290493338 in words is "two trillion, six hundred forty-six billion, two hundred ninety million, four hundred ninety-three thousand, three hundred thirty-eight".