6420235601043 has 96 divisors (see below), whose sum is σ = 11024767503360. Its totient is φ = 3558402731520.

The previous prime is 6420235601029. The next prime is 6420235601089. The reversal of 6420235601043 is 3401065320246.

6420235601043 is a `hidden beast` number, since 6 + 4 + 2 + 0 + 2 + 3 + 5 + 601 + 0 + 43 = 666.

It is not a de Polignac number, because 6420235601043 - 2⁹ = 6420235600531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6420235600989 and 6420235601007.

It is not an unprimeable number, because it can be changed into a prime (6420235601023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5956305 + ... + 6951117.

It is an arithmetic number, because the mean of its divisors is an integer number (114841328160).

Almost surely, 2^{6420235601043} is an apocalyptic number.

6420235601043 is a deficient number, since it is larger than the sum of its proper divisors (4604531902317).

6420235601043 is a wasteful number, since it uses less digits than its factorization.

6420235601043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994969 (or 994966 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 6420235601043 in words is "six trillion, four hundred twenty billion, two hundred thirty-five million, six hundred one thousand, forty-three".