2929905893381 has 8 divisors (see below), whose sum is σ = 3112841199384. Its totient is φ = 2748147020800.

The previous prime is 2929905893359. The next prime is 2929905893399. The reversal of 2929905893381 is 1833985099292.

It can be written as a sum of positive squares in 4 ways, for example, as 1865521637281 + 1064384256100 = 1365841^2 + 1031690^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2929905893381 is a prime.

It is a super-2 number, since 2×2929905893381² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2929905893311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294103220 + ... + 294113181.

It is an arithmetic number, because the mean of its divisors is an integer number (389105149923).

Almost surely, 2^{2929905893381} is an apocalyptic number.

It is an amenable number.

2929905893381 is a deficient number, since it is larger than the sum of its proper divisors (182935306003).

2929905893381 is a wasteful number, since it uses less digits than its factorization.

2929905893381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588216711.

The product of its (nonzero) digits is 75582720, while the sum is 68.

The spelling of 2929905893381 in words is "two trillion, nine hundred twenty-nine billion, nine hundred five million, eight hundred ninety-three thousand, three hundred eighty-one".