2970189779 has 2 divisors, whose sum is σ = 2970189780. Its totient is φ = 2970189778.

The previous prime is 2970189737. The next prime is 2970189811. The reversal of 2970189779 is 9779810792.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2970189779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2970159779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485094889 + 1485094890.

It is an arithmetic number, because the mean of its divisors is an integer number (1485094890).

Almost surely, 2^2970189779 is an apocalyptic number.

2970189779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2970189779 is an equidigital number, since it uses as much as digits as its factorization.

2970189779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000752, while the sum is 59.

The square root of 2970189779 is about 54499.4475109611. The cubic root of 2970189779 is about 1437.4565729943.

The spelling of 2970189779 in words is "two billion, nine hundred seventy million, one hundred eighty-nine thousand, seven hundred seventy-nine".