2130478837 has 2 divisors, whose sum is σ = 2130478838. Its totient is φ = 2130478836.

The previous prime is 2130478787. The next prime is 2130478841. The reversal of 2130478837 is 7388740312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1200899716 + 929579121 = 34654^2 + 30489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130478837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130478793 and 2130478802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130478877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065239418 + 1065239419.

It is an arithmetic number, because the mean of its divisors is an integer number (1065239419).

Almost surely, 2^2130478837 is an apocalyptic number.

It is an amenable number.

2130478837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130478837 is an equidigital number, since it uses as much as digits as its factorization.

2130478837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 2130478837 is about 46157.1103623266. The cubic root of 2130478837 is about 1286.7447594671.

The spelling of 2130478837 in words is "two billion, one hundred thirty million, four hundred seventy-eight thousand, eight hundred thirty-seven".