361478934569 has 2 divisors, whose sum is σ = 361478934570. Its totient is φ = 361478934568.

The previous prime is 361478934559. The next prime is 361478934587. The reversal of 361478934569 is 965439874163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288261610000 + 73217324569 = 536900^2 + 270587^2 .

It is a cyclic number.

It is not a de Polignac number, because 361478934569 - 2¹⁶ = 361478869033 is a prime.

It is a super-2 number, since 2×361478934569² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361478934559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180739467284 + 180739467285.

It is an arithmetic number, because the mean of its divisors is an integer number (180739467285).

Almost surely, 2^361478934569 is an apocalyptic number.

It is an amenable number.

361478934569 is a deficient number, since it is larger than the sum of its proper divisors (1).

361478934569 is an equidigital number, since it uses as much as digits as its factorization.

361478934569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117573120, while the sum is 65.

The spelling of 361478934569 in words is "three hundred sixty-one billion, four hundred seventy-eight million, nine hundred thirty-four thousand, five hundred sixty-nine".