1361617047 has 40 divisors (see below), whose sum is σ = 2372084000. Its totient is φ = 778051008.

The previous prime is 1361617039. The next prime is 1361617069. The reversal of 1361617047 is 7407161631.

1361617047 is a `hidden beast` number, since 1 + 36 + 1 + 617 + 0 + 4 + 7 = 666.

It is not a de Polignac number, because 1361617047 - 2³ = 1361617039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361617027) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3279 + ... + 52287.

It is an arithmetic number, because the mean of its divisors is an integer number (59302100).

Almost surely, 2^1361617047 is an apocalyptic number.

1361617047 is a deficient number, since it is larger than the sum of its proper divisors (1010466953).

1361617047 is an frugal number, since it uses more digits than its factorization.

1361617047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49042 (or 49019 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1361617047 is about 36900.0954876813. The cubic root of 1361617047 is about 1108.3705895756.

Adding to 1361617047 its reverse (7407161631), we get a palindrome (8768778678).

The spelling of 1361617047 in words is "one billion, three hundred sixty-one million, six hundred seventeen thousand, forty-seven".