61594289152417 has 6 divisors (see below), whose sum is σ = 71650499626338. Its totient is φ = 52795104987744.

The previous prime is 61594289152399. The next prime is 61594289152577. The reversal of 61594289152417 is 71425198249516.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34250164388496 + 27344124763921 = 5852364^2 + 5229161^2 .

It is not a de Polignac number, because 61594289152417 - 2²³ = 61594280763809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61594289150417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628513154568 + ... + 628513154665.

It is an arithmetic number, because the mean of its divisors is an integer number (11941749937723).

Almost surely, 2^{61594289152417} is an apocalyptic number.

It is an amenable number.

61594289152417 is a deficient number, since it is larger than the sum of its proper divisors (10056210473921).

61594289152417 is a wasteful number, since it uses less digits than its factorization.

61594289152417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257026309247 (or 1257026309240 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 64.

The spelling of 61594289152417 in words is "sixty-one trillion, five hundred ninety-four billion, two hundred eighty-nine million, one hundred fifty-two thousand, four hundred seventeen".