32074402778449 has 2 divisors, whose sum is σ = 32074402778450. Its totient is φ = 32074402778448.

The previous prime is 32074402778387. The next prime is 32074402778459. The reversal of 32074402778449 is 94487720447023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21097486240000 + 10976916538449 = 4593200^2 + 3313143^2 .

It is a cyclic number.

It is not a de Polignac number, because 32074402778449 - 2⁷ = 32074402778321 is a prime.

It is not a weakly prime, because it can be changed into another prime (32074402778459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16037201389224 + 16037201389225.

It is an arithmetic number, because the mean of its divisors is an integer number (16037201389225).

Almost surely, 2^{32074402778449} is an apocalyptic number.

It is an amenable number.

32074402778449 is a deficient number, since it is larger than the sum of its proper divisors (1).

32074402778449 is an equidigital number, since it uses as much as digits as its factorization.

32074402778449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75866112, while the sum is 61.

The spelling of 32074402778449 in words is "thirty-two trillion, seventy-four billion, four hundred two million, seven hundred seventy-eight thousand, four hundred forty-nine".