2780133461 has 16 divisors (see below), whose sum is σ = 3211423488. Its totient is φ = 2357424000.

The previous prime is 2780133397. The next prime is 2780133467. The reversal of 2780133461 is 1643310872.

It is a cyclic number.

It is not a de Polignac number, because 2780133461 - 2⁶ = 2780133397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780133467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297451 + ... + 1299591.

It is an arithmetic number, because the mean of its divisors is an integer number (200713968).

Almost surely, 2^2780133461 is an apocalyptic number.

It is an amenable number.

2780133461 is a deficient number, since it is larger than the sum of its proper divisors (431290027).

2780133461 is a wasteful number, since it uses less digits than its factorization.

2780133461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2780133461 is about 52726.9709067380. The cubic root of 2780133461 is about 1406.1183685950.

The spelling of 2780133461 in words is "two billion, seven hundred eighty million, one hundred thirty-three thousand, four hundred sixty-one".