2120485637 has 2 divisors, whose sum is σ = 2120485638. Its totient is φ = 2120485636.

The previous prime is 2120485583. The next prime is 2120485657. The reversal of 2120485637 is 7365840212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1267787236 + 852698401 = 35606^2 + 29201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120485637 - 2¹² = 2120481541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2120485637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120485657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060242818 + 1060242819.

It is an arithmetic number, because the mean of its divisors is an integer number (1060242819).

Almost surely, 2^2120485637 is an apocalyptic number.

It is an amenable number.

2120485637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120485637 is an equidigital number, since it uses as much as digits as its factorization.

2120485637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2120485637 is about 46048.7311117255. The cubic root of 2120485637 is about 1284.7297421517.

The spelling of 2120485637 in words is "two billion, one hundred twenty million, four hundred eighty-five thousand, six hundred thirty-seven".