3478258421718 has 32 divisors (see below), whose sum is σ = 7324725148800. Its totient is φ = 1098086020416.

The previous prime is 3478258421711. The next prime is 3478258421753. The reversal of 3478258421718 is 8171248528743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478258421711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3920596 + ... + 4725207.

It is an arithmetic number, because the mean of its divisors is an integer number (228897660900).

Almost surely, 2^{3478258421718} is an apocalyptic number.

3478258421718 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3478258421718 is an abundant number, since it is smaller than the sum of its proper divisors (3846466727082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3478258421718 is a wasteful number, since it uses less digits than its factorization.

3478258421718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649356.

The product of its digits is 24084480, while the sum is 60.

The spelling of 3478258421718 in words is "three trillion, four hundred seventy-eight billion, two hundred fifty-eight million, four hundred twenty-one thousand, seven hundred eighteen".