3469439977 has 2 divisors, whose sum is σ = 3469439978. Its totient is φ = 3469439976.

The previous prime is 3469439959. The next prime is 3469440001. The reversal of 3469439977 is 7799349643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2252546521 + 1216893456 = 47461^2 + 34884^2 .

It is an emirp because it is prime and its reverse (7799349643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3469439977 is a prime.

It is not a weakly prime, because it can be changed into another prime (3469433977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734719988 + 1734719989.

It is an arithmetic number, because the mean of its divisors is an integer number (1734719989).

Almost surely, 2^3469439977 is an apocalyptic number.

It is an amenable number.

3469439977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3469439977 is an equidigital number, since it uses as much as digits as its factorization.

3469439977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 61.

The square root of 3469439977 is about 58901.9522342002. The cubic root of 3469439977 is about 1513.8625986105.

The spelling of 3469439977 in words is "three billion, four hundred sixty-nine million, four hundred thirty-nine thousand, nine hundred seventy-seven".