561329147002 has 8 divisors (see below), whose sum is σ = 906762468276. Its totient is φ = 259074990912.

The previous prime is 561329146957. The next prime is 561329147003. The reversal of 561329147002 is 200741923165.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 554755342761 + 6573804241 = 744819^2 + 81079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×561329147002² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561329147003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10794791263 + ... + 10794791314.

Almost surely, 2^561329147002 is an apocalyptic number.

561329147002 is a deficient number, since it is larger than the sum of its proper divisors (345433321274).

561329147002 is a wasteful number, since it uses less digits than its factorization.

561329147002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589582592.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 561329147002 in words is "five hundred sixty-one billion, three hundred twenty-nine million, one hundred forty-seven thousand, two".