3420025256635 has 16 divisors (see below), whose sum is σ = 4448994661440. Its totient is φ = 2508831561600.

The previous prime is 3420025256633. The next prime is 3420025256639. The reversal of 3420025256635 is 5366525200243.

It is a happy number.

It is not a de Polignac number, because 3420025256635 - 2¹ = 3420025256633 is a prime.

It is a super-2 number, since 2×3420025256635² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3420025256591 and 3420025256600.

It is not an unprimeable number, because it can be changed into a prime (3420025256633) 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, 174214600 + ... + 174234229.

It is an arithmetic number, because the mean of its divisors is an integer number (278062166340).

Almost surely, 2^{3420025256635} is an apocalyptic number.

3420025256635 is a deficient number, since it is larger than the sum of its proper divisors (1028969404805).

3420025256635 is a wasteful number, since it uses less digits than its factorization.

3420025256635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348448998.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 3420025256635 in words is "three trillion, four hundred twenty billion, twenty-five million, two hundred fifty-six thousand, six hundred thirty-five".