3822878635049 has 2 divisors, whose sum is σ = 3822878635050. Its totient is φ = 3822878635048.

The previous prime is 3822878635001. The next prime is 3822878635109. The reversal of 3822878635049 is 9405368782283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2055223296025 + 1767655339024 = 1433605^2 + 1329532^2 .

It is a cyclic number.

It is not a de Polignac number, because 3822878635049 - 2⁸ = 3822878634793 is a prime.

It is a super-2 number, since 2×3822878635049² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3822878631049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911439317524 + 1911439317525.

It is an arithmetic number, because the mean of its divisors is an integer number (1911439317525).

Almost surely, 2^{3822878635049} is an apocalyptic number.

It is an amenable number.

3822878635049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3822878635049 is an equidigital number, since it uses as much as digits as its factorization.

3822878635049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 3822878635049 in words is "three trillion, eight hundred twenty-two billion, eight hundred seventy-eight million, six hundred thirty-five thousand, forty-nine".