10553256619 has 4 divisors (see below), whose sum is σ = 10565209096. Its totient is φ = 10541304144.

The previous prime is 10553256601. The next prime is 10553256647. The reversal of 10553256619 is 91665235501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10553256619 - 2¹¹ = 10553254571 is a prime.

It is a super-2 number, since 2×10553256619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10553286619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5974914 + ... + 5976679.

It is an arithmetic number, because the mean of its divisors is an integer number (2641302274).

Almost surely, 2^10553256619 is an apocalyptic number.

10553256619 is a deficient number, since it is larger than the sum of its proper divisors (11952477).

10553256619 is an equidigital number, since it uses as much as digits as its factorization.

10553256619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11952476.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 10553256619 in words is "ten billion, five hundred fifty-three million, two hundred fifty-six thousand, six hundred nineteen".