2021703351699 has 16 divisors (see below), whose sum is σ = 2771292424608. Its totient is φ = 1310032829952.

The previous prime is 2021703351643. The next prime is 2021703351739. The reversal of 2021703351699 is 9961533071202.

It is not a de Polignac number, because 2021703351699 - 2²⁴ = 2021686574483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021703355699) 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, 9212712 + ... + 9429605.

It is an arithmetic number, because the mean of its divisors is an integer number (173205776538).

Almost surely, 2^{2021703351699} is an apocalyptic number.

2021703351699 is a deficient number, since it is larger than the sum of its proper divisors (749589072909).

2021703351699 is a wasteful number, since it uses less digits than its factorization.

2021703351699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18643334.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 2021703351699 in words is "two trillion, twenty-one billion, seven hundred three million, three hundred fifty-one thousand, six hundred ninety-nine".