2051355016434 has 16 divisors (see below), whose sum is σ = 4104950748480. Its totient is φ = 683411552880.

The previous prime is 2051355016391. The next prime is 2051355016457. The reversal of 2051355016434 is 4346105531502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2051355016392 and 2051355016401.

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, 93351249 + ... + 93373220.

It is an arithmetic number, because the mean of its divisors is an integer number (256559421780).

Almost surely, 2^{2051355016434} is an apocalyptic number.

2051355016434 is an abundant number, since it is smaller than the sum of its proper divisors (2053595732046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051355016434 is a wasteful number, since it uses less digits than its factorization.

2051355016434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186726305.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 2051355016434 in words is "two trillion, fifty-one billion, three hundred fifty-five million, sixteen thousand, four hundred thirty-four".