2839023661 has 2 divisors, whose sum is σ = 2839023662. Its totient is φ = 2839023660.

The previous prime is 2839023637. The next prime is 2839023667. The reversal of 2839023661 is 1663209382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2812180900 + 26842761 = 53030^2 + 5181^2 .

It is a cyclic number.

It is not a de Polignac number, because 2839023661 - 2¹³ = 2839015469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2839023667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419511830 + 1419511831.

It is an arithmetic number, because the mean of its divisors is an integer number (1419511831).

Almost surely, 2^2839023661 is an apocalyptic number.

It is an amenable number.

2839023661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2839023661 is an equidigital number, since it uses as much as digits as its factorization.

2839023661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 2839023661 is about 53282.4892530370. The cubic root of 2839023661 is about 1415.9774508110.

The spelling of 2839023661 in words is "two billion, eight hundred thirty-nine million, twenty-three thousand, six hundred sixty-one".