37870450249 has 2 divisors, whose sum is σ = 37870450250. Its totient is φ = 37870450248.

The previous prime is 37870450223. The next prime is 37870450259. The reversal of 37870450249 is 94205407873.

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., 37442250000 + 428200249 = 193500^2 + 20693^2 .

It is a cyclic number.

It is not a de Polignac number, because 37870450249 - 2¹⁷ = 37870319177 is a prime.

It is not a weakly prime, because it can be changed into another prime (37870450259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18935225124 + 18935225125.

It is an arithmetic number, because the mean of its divisors is an integer number (18935225125).

Almost surely, 2^37870450249 is an apocalyptic number.

It is an amenable number.

37870450249 is a deficient number, since it is larger than the sum of its proper divisors (1).

37870450249 is an equidigital number, since it uses as much as digits as its factorization.

37870450249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 37870450249 in words is "thirty-seven billion, eight hundred seventy million, four hundred fifty thousand, two hundred forty-nine".