3479743789 has 2 divisors, whose sum is σ = 3479743790. Its totient is φ = 3479743788.

The previous prime is 3479743741. The next prime is 3479743877. The reversal of 3479743789 is 9873479743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3460968900 + 18774889 = 58830^2 + 4333^2 .

It is a cyclic number.

It is not a de Polignac number, because 3479743789 - 2¹⁵ = 3479711021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3479743489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739871894 + 1739871895.

It is an arithmetic number, because the mean of its divisors is an integer number (1739871895).

Almost surely, 2^3479743789 is an apocalyptic number.

It is an amenable number.

3479743789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3479743789 is an equidigital number, since it uses as much as digits as its factorization.

3479743789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32006016, while the sum is 61.

The square root of 3479743789 is about 58989.3531834347. The cubic root of 3479743789 is about 1515.3597796356.

The spelling of 3479743789 in words is "three billion, four hundred seventy-nine million, seven hundred forty-three thousand, seven hundred eighty-nine".