874946484649537 has 2 divisors, whose sum is σ = 874946484649538. Its totient is φ = 874946484649536.

The previous prime is 874946484649409. The next prime is 874946484649553. The reversal of 874946484649537 is 735946484649478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762669912357441 + 112276572292096 = 27616479^2 + 10596064^2 .

It is a cyclic number.

It is not a de Polignac number, because 874946484649537 - 2⁷ = 874946484649409 is a prime.

It is not a weakly prime, because it can be changed into another prime (874946484644537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437473242324768 + 437473242324769.

It is an arithmetic number, because the mean of its divisors is an integer number (437473242324769).

Almost surely, 2^{874946484649537} is an apocalyptic number.

It is an amenable number.

874946484649537 is a deficient number, since it is larger than the sum of its proper divisors (1).

874946484649537 is an equidigital number, since it uses as much as digits as its factorization.

874946484649537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140460687360, while the sum is 88.

The spelling of 874946484649537 in words is "eight hundred seventy-four trillion, nine hundred forty-six billion, four hundred eighty-four million, six hundred forty-nine thousand, five hundred thirty-seven".