1906810242130 has 16 divisors (see below), whose sum is σ = 3432577820184. Its totient is φ = 762653122560.

The previous prime is 1906810242107. The next prime is 1906810242131. The reversal of 1906810242130 is 312420186091.

It is a Cunningham number, because it is equal to 1380873²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1806037644321 + 100772597809 = 1343889^2 + 317447^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1906810242130.

It is not an unprimeable number, because it can be changed into a prime (1906810242131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8758881 + ... + 8973940.

Almost surely, 2^{1906810242130} is an apocalyptic number.

1906810242130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906810242130 is a deficient number, since it is larger than the sum of its proper divisors (1525767578054).

1906810242130 is a wasteful number, since it uses less digits than its factorization.

1906810242130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17743581.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 1906810242130 in words is "one trillion, nine hundred six billion, eight hundred ten million, two hundred forty-two thousand, one hundred thirty".