3134642821861 has 2 divisors, whose sum is σ = 3134642821862. Its totient is φ = 3134642821860.

The previous prime is 3134642821841. The next prime is 3134642821903. The reversal of 3134642821861 is 1681282464313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3134068308900 + 574512961 = 1770330^2 + 23969^2 .

It is a cyclic number.

It is not a de Polignac number, because 3134642821861 - 2¹⁹ = 3134642297573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3134642821841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567321410930 + 1567321410931.

It is an arithmetic number, because the mean of its divisors is an integer number (1567321410931).

Almost surely, 2^{3134642821861} is an apocalyptic number.

It is an amenable number.

3134642821861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3134642821861 is an equidigital number, since it uses as much as digits as its factorization.

3134642821861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 49.

The spelling of 3134642821861 in words is "three trillion, one hundred thirty-four billion, six hundred forty-two million, eight hundred twenty-one thousand, eight hundred sixty-one".