2134019503521 has 24 divisors (see below), whose sum is σ = 3158930201856. Its totient is φ = 1387491668640.

The previous prime is 2134019503439. The next prime is 2134019503573. The reversal of 2134019503521 is 1253059104312.

It is a happy number.

2134019503521 is a `hidden beast` number, since 2 + 1 + 3 + 40 + 1 + 95 + 0 + 3 + 521 = 666.

It is not a de Polignac number, because 2134019503521 - 2²¹ = 2134017406369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2134019504521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3915345 + ... + 4426958.

It is an arithmetic number, because the mean of its divisors is an integer number (131622091744).

Almost surely, 2^{2134019503521} is an apocalyptic number.

It is an amenable number.

2134019503521 is a deficient number, since it is larger than the sum of its proper divisors (1024910698335).

2134019503521 is a wasteful number, since it uses less digits than its factorization.

2134019503521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343013 (or 8343010 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 2134019503521 in words is "two trillion, one hundred thirty-four billion, nineteen million, five hundred three thousand, five hundred twenty-one".