3679551291049 has 2 divisors, whose sum is σ = 3679551291050. Its totient is φ = 3679551291048.

The previous prime is 3679551291023. The next prime is 3679551291083. The reversal of 3679551291049 is 9401921559763.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2680201185424 + 999350105625 = 1637132^2 + 999675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3679551291049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3679551291349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839775645524 + 1839775645525.

It is an arithmetic number, because the mean of its divisors is an integer number (1839775645525).

Almost surely, 2^{3679551291049} is an apocalyptic number.

It is an amenable number.

3679551291049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3679551291049 is an equidigital number, since it uses as much as digits as its factorization.

3679551291049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 3679551291049 in words is "three trillion, six hundred seventy-nine billion, five hundred fifty-one million, two hundred ninety-one thousand, forty-nine".