2780250530299 has 4 divisors (see below), whose sum is σ = 3033000578520. Its totient is φ = 2527500482080.

The previous prime is 2780250530269. The next prime is 2780250530353. The reversal of 2780250530299 is 9920350520872.

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 2780250530299 - 2¹³ = 2780250522107 is a prime.

It is a super-2 number, since 2×2780250530299² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2780250530269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126375024094 + ... + 126375024115.

It is an arithmetic number, because the mean of its divisors is an integer number (758250144630).

Almost surely, 2^{2780250530299} is an apocalyptic number.

2780250530299 is a deficient number, since it is larger than the sum of its proper divisors (252750048221).

2780250530299 is a wasteful number, since it uses less digits than its factorization.

2780250530299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252750048220.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 2780250530299 in words is "two trillion, seven hundred eighty billion, two hundred fifty million, five hundred thirty thousand, two hundred ninety-nine".