2046215240521 has 2 divisors, whose sum is σ = 2046215240522. Its totient is φ = 2046215240520.

The previous prime is 2046215240519. The next prime is 2046215240543. The reversal of 2046215240521 is 1250425126402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045941172496 + 274068025 = 1430364^2 + 16555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046215240521 - 2¹ = 2046215240519 is a prime.

Together with 2046215240519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2046215240551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023107620260 + 1023107620261.

It is an arithmetic number, because the mean of its divisors is an integer number (1023107620261).

Almost surely, 2^{2046215240521} is an apocalyptic number.

It is an amenable number.

2046215240521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046215240521 is an equidigital number, since it uses as much as digits as its factorization.

2046215240521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 2046215240521 in words is "two trillion, forty-six billion, two hundred fifteen million, two hundred forty thousand, five hundred twenty-one".