3420646463 has 4 divisors (see below), whose sum is σ = 3683773128. Its totient is φ = 3157519800.

The previous prime is 3420646451. The next prime is 3420646499. The reversal of 3420646463 is 3646460243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3420646463 - 2²⁶ = 3353537599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420646403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131563313 + ... + 131563338.

It is an arithmetic number, because the mean of its divisors is an integer number (920943282).

Almost surely, 2^3420646463 is an apocalyptic number.

3420646463 is a deficient number, since it is larger than the sum of its proper divisors (263126665).

3420646463 is a wasteful number, since it uses less digits than its factorization.

3420646463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263126664.

The product of its (nonzero) digits is 248832, while the sum is 38.

The square root of 3420646463 is about 58486.2929497160. The cubic root of 3420646463 is about 1506.7321789382.

The spelling of 3420646463 in words is "three billion, four hundred twenty million, six hundred forty-six thousand, four hundred sixty-three".