3400520402479 has 2 divisors, whose sum is σ = 3400520402480. Its totient is φ = 3400520402478.

The previous prime is 3400520402471. The next prime is 3400520402509. The reversal of 3400520402479 is 9742040250043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3400520402479 - 2³ = 3400520402471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400520402471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700260201239 + 1700260201240.

It is an arithmetic number, because the mean of its divisors is an integer number (1700260201240).

Almost surely, 2^{3400520402479} is an apocalyptic number.

3400520402479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400520402479 is an equidigital number, since it uses as much as digits as its factorization.

3400520402479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 3400520402479 in words is "three trillion, four hundred billion, five hundred twenty million, four hundred two thousand, four hundred seventy-nine".