2780967043 has 2 divisors, whose sum is σ = 2780967044. Its totient is φ = 2780967042.

The previous prime is 2780967037. The next prime is 2780967061. The reversal of 2780967043 is 3407690872.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2780967043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2780966984 and 2780967002.

It is not a weakly prime, because it can be changed into another prime (2780967643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390483521 + 1390483522.

It is an arithmetic number, because the mean of its divisors is an integer number (1390483522).

Almost surely, 2^2780967043 is an apocalyptic number.

2780967043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2780967043 is an equidigital number, since it uses as much as digits as its factorization.

2780967043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 2780967043 is about 52734.8750164443. The cubic root of 2780967043 is about 1406.2588891672.

The spelling of 2780967043 in words is "two billion, seven hundred eighty million, nine hundred sixty-seven thousand, forty-three".