2101454519 has 2 divisors, whose sum is σ = 2101454520. Its totient is φ = 2101454518.

The previous prime is 2101454503. The next prime is 2101454557. The reversal of 2101454519 is 9154541012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101454519 - 2⁴ = 2101454503 is a prime.

It is a super-2 number, since 2×2101454519² = 8832222190851042722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101454569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050727259 + 1050727260.

It is an arithmetic number, because the mean of its divisors is an integer number (1050727260).

Almost surely, 2^2101454519 is an apocalyptic number.

2101454519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101454519 is an equidigital number, since it uses as much as digits as its factorization.

2101454519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 2101454519 is about 45841.6243058642. The cubic root of 2101454519 is about 1280.8747517900.

The spelling of 2101454519 in words is "two billion, one hundred one million, four hundred fifty-four thousand, five hundred nineteen".