2105426601 has 24 divisors (see below), whose sum is σ = 3290938560. Its totient is φ = 1342587312.

The previous prime is 2105426599. The next prime is 2105426611. The reversal of 2105426601 is 1066245012.

2105426601 is a `hidden beast` number, since 2 + 1 + 0 + 54 + 2 + 6 + 601 = 666.

It is not a de Polignac number, because 2105426601 - 2¹ = 2105426599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2105426611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182766 + ... + 193943.

It is an arithmetic number, because the mean of its divisors is an integer number (137122440).

Almost surely, 2^2105426601 is an apocalyptic number.

It is an amenable number.

2105426601 is a deficient number, since it is larger than the sum of its proper divisors (1185511959).

2105426601 is an equidigital number, since it uses as much as digits as its factorization.

2105426601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376747 (or 376735 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2105426601 is about 45884.9278194921. The cubic root of 2105426601 is about 1281.6812626007.

The spelling of 2105426601 in words is "two billion, one hundred five million, four hundred twenty-six thousand, six hundred one".