6402105434 has 4 divisors (see below), whose sum is σ = 9603158154. Its totient is φ = 3201052716.

The previous prime is 6402105401. The next prime is 6402105467. The reversal of 6402105434 is 4345012046.

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

It is an interprime number because it is at equal distance from previous prime (6402105401) and next prime (6402105467).

It can be written as a sum of positive squares in only one way, i.e., 4665299809 + 1736805625 = 68303^2 + 41675^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6402105397 and 6402105406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600526357 + ... + 1600526360.

Almost surely, 2^6402105434 is an apocalyptic number.

6402105434 is a deficient number, since it is larger than the sum of its proper divisors (3201052720).

6402105434 is a wasteful number, since it uses less digits than its factorization.

6402105434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201052719.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 6402105434 is about 80013.1578804386. The cubic root of 6402105434 is about 1856.8391061014.

The spelling of 6402105434 in words is "six billion, four hundred two million, one hundred five thousand, four hundred thirty-four".