3439909961 has 2 divisors, whose sum is σ = 3439909962. Its totient is φ = 3439909960.

The previous prime is 3439909919. The next prime is 3439909973. The reversal of 3439909961 is 1699099343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3244441600 + 195468361 = 56960^2 + 13981^2 .

It is a cyclic number.

It is not a de Polignac number, because 3439909961 - 2¹⁰ = 3439908937 is a prime.

It is not a weakly prime, because it can be changed into another prime (3439909901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719954980 + 1719954981.

It is an arithmetic number, because the mean of its divisors is an integer number (1719954981).

Almost surely, 2^3439909961 is an apocalyptic number.

It is an amenable number.

3439909961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3439909961 is an equidigital number, since it uses as much as digits as its factorization.

3439909961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The square root of 3439909961 is about 58650.7456133339. The cubic root of 3439909961 is about 1509.5552921966. Note that the first 3 decimals are identical.

The spelling of 3439909961 in words is "three billion, four hundred thirty-nine million, nine hundred nine thousand, nine hundred sixty-one".