2034681519421 has 2 divisors, whose sum is σ = 2034681519422. Its totient is φ = 2034681519420.

The previous prime is 2034681519407. The next prime is 2034681519433. The reversal of 2034681519421 is 1249151864302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1686852866521 + 347828652900 = 1298789^2 + 589770^2 .

It is a cyclic number.

It is not a de Polignac number, because 2034681519421 - 2¹¹ = 2034681517373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2034681519821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1017340759710 + 1017340759711.

It is an arithmetic number, because the mean of its divisors is an integer number (1017340759711).

Almost surely, 2^{2034681519421} is an apocalyptic number.

It is an amenable number.

2034681519421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2034681519421 is an equidigital number, since it uses as much as digits as its factorization.

2034681519421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 2034681519421 in words is "two trillion, thirty-four billion, six hundred eighty-one million, five hundred nineteen thousand, four hundred twenty-one".