3634420285397 has 32 divisors (see below), whose sum is σ = 4155178849920. Its totient is φ = 3149223217920.

The previous prime is 3634420285351. The next prime is 3634420285421. The reversal of 3634420285397 is 7935820244363.

It is a cyclic number.

It is not a de Polignac number, because 3634420285397 - 2³² = 3630125318101 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 (3634420285297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13956854 + ... + 14214872.

It is an arithmetic number, because the mean of its divisors is an integer number (129849339060).

Almost surely, 2^{3634420285397} is an apocalyptic number.

3634420285397 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3634420285397 is a deficient number, since it is larger than the sum of its proper divisors (520758564523).

3634420285397 is a wasteful number, since it uses less digits than its factorization.

3634420285397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258773.

The product of its (nonzero) digits is 26127360, while the sum is 56.

The spelling of 3634420285397 in words is "three trillion, six hundred thirty-four billion, four hundred twenty million, two hundred eighty-five thousand, three hundred ninety-seven".