2431660640205 has 8 divisors (see below), whose sum is σ = 3890657024352. Its totient is φ = 1296885674768.

The previous prime is 2431660640131. The next prime is 2431660640251. The reversal of 2431660640205 is 5020460661342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2431660640205 - 2²² = 2431656445901 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81055354659 + ... + 81055354688.

It is an arithmetic number, because the mean of its divisors is an integer number (486332128044).

Almost surely, 2^{2431660640205} is an apocalyptic number.

It is an amenable number.

2431660640205 is a deficient number, since it is larger than the sum of its proper divisors (1458996384147).

2431660640205 is a wasteful number, since it uses less digits than its factorization.

2431660640205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162110709355.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 2431660640205 in words is "two trillion, four hundred thirty-one billion, six hundred sixty million, six hundred forty thousand, two hundred five".