2129850890485 has 8 divisors (see below), whose sum is σ = 2638266909696. Its totient is φ = 1648916818320.

The previous prime is 2129850890429. The next prime is 2129850890539. The reversal of 2129850890485 is 5840980589212.

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

It is not a de Polignac number, because 2129850890485 - 2⁷ = 2129850890357 is a prime.

It is a Duffinian number.

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, 6870486589 + ... + 6870486898.

It is an arithmetic number, because the mean of its divisors is an integer number (329783363712).

Almost surely, 2^{2129850890485} is an apocalyptic number.

It is an amenable number.

2129850890485 is a deficient number, since it is larger than the sum of its proper divisors (508416019211).

2129850890485 is a wasteful number, since it uses less digits than its factorization.

2129850890485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13740973523.

The product of its (nonzero) digits is 16588800, while the sum is 61.

The spelling of 2129850890485 in words is "two trillion, one hundred twenty-nine billion, eight hundred fifty million, eight hundred ninety thousand, four hundred eighty-five".