3490447490249 has 2 divisors, whose sum is σ = 3490447490250. Its totient is φ = 3490447490248.

The previous prime is 3490447490143. The next prime is 3490447490267. The reversal of 3490447490249 is 9420947440943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1777835556025 + 1712611934224 = 1333355^2 + 1308668^2 .

It is a cyclic number.

It is not a de Polignac number, because 3490447490249 - 2¹² = 3490447486153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3490447490279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745223745124 + 1745223745125.

It is an arithmetic number, because the mean of its divisors is an integer number (1745223745125).

Almost surely, 2^{3490447490249} is an apocalyptic number.

It is an amenable number.

3490447490249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3490447490249 is an equidigital number, since it uses as much as digits as its factorization.

3490447490249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 59.

The spelling of 3490447490249 in words is "three trillion, four hundred ninety billion, four hundred forty-seven million, four hundred ninety thousand, two hundred forty-nine".