2978409583 has 2 divisors, whose sum is σ = 2978409584. Its totient is φ = 2978409582.

The previous prime is 2978409559. The next prime is 2978409589. The reversal of 2978409583 is 3859048792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2978409583 - 2²¹ = 2976312431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978409589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489204791 + 1489204792.

It is an arithmetic number, because the mean of its divisors is an integer number (1489204792).

Almost surely, 2^2978409583 is an apocalyptic number.

2978409583 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978409583 is an equidigital number, since it uses as much as digits as its factorization.

2978409583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 2978409583 is about 54574.8072190823. The cubic root of 2978409583 is about 1438.7813736808.

The spelling of 2978409583 in words is "two billion, nine hundred seventy-eight million, four hundred nine thousand, five hundred eighty-three".