3520611401249 has 2 divisors, whose sum is σ = 3520611401250. Its totient is φ = 3520611401248.

The previous prime is 3520611401213. The next prime is 3520611401257. The reversal of 3520611401249 is 9421041160253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3347216611600 + 173394789649 = 1829540^2 + 416407^2 .

It is a cyclic number.

It is not a de Polignac number, because 3520611401249 - 2¹² = 3520611397153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3520611401149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760305700624 + 1760305700625.

It is an arithmetic number, because the mean of its divisors is an integer number (1760305700625).

Almost surely, 2^{3520611401249} is an apocalyptic number.

It is an amenable number.

3520611401249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520611401249 is an equidigital number, since it uses as much as digits as its factorization.

3520611401249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 3520611401249 in words is "three trillion, five hundred twenty billion, six hundred eleven million, four hundred one thousand, two hundred forty-nine".