2520653819 has 2 divisors, whose sum is σ = 2520653820. Its totient is φ = 2520653818.

The previous prime is 2520653797. The next prime is 2520653831. The reversal of 2520653819 is 9183560252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520653819 is a prime.

It is a super-2 number, since 2×2520653819² = 12707391350478569522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2520653899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260326909 + 1260326910.

It is an arithmetic number, because the mean of its divisors is an integer number (1260326910).

Almost surely, 2^2520653819 is an apocalyptic number.

2520653819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520653819 is an equidigital number, since it uses as much as digits as its factorization.

2520653819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 2520653819 is about 50206.1133628167. The cubic root of 2520653819 is about 1360.9361020272.

The spelling of 2520653819 in words is "two billion, five hundred twenty million, six hundred fifty-three thousand, eight hundred nineteen".