2029668440397 has 16 divisors (see below), whose sum is σ = 2914601786880. Its totient is φ = 1248938413632.

The previous prime is 2029668440389. The next prime is 2029668440473. The reversal of 2029668440397 is 7930448669202.

It is not a de Polignac number, because 2029668440397 - 2³ = 2029668440389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2029668440397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029668440897) 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, 1279197 + ... + 2386562.

It is an arithmetic number, because the mean of its divisors is an integer number (182162611680).

Almost surely, 2^{2029668440397} is an apocalyptic number.

It is an amenable number.

2029668440397 is a deficient number, since it is larger than the sum of its proper divisors (884933346483).

2029668440397 is a wasteful number, since it uses less digits than its factorization.

2029668440397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679972.

The product of its (nonzero) digits is 31352832, while the sum is 60.

The spelling of 2029668440397 in words is "two trillion, twenty-nine billion, six hundred sixty-eight million, four hundred forty thousand, three hundred ninety-seven".