613959040401 has 16 divisors (see below), whose sum is σ = 935588686848. Its totient is φ = 350821717200.

The previous prime is 613959040393. The next prime is 613959040403. The reversal of 613959040401 is 104040959316.

It is not a de Polignac number, because 613959040401 - 2³ = 613959040393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613959040403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146116 + ... + 1117706.

It is an arithmetic number, because the mean of its divisors is an integer number (58474292928).

Almost surely, 2^613959040401 is an apocalyptic number.

It is an amenable number.

613959040401 is a deficient number, since it is larger than the sum of its proper divisors (321629646447).

613959040401 is a wasteful number, since it uses less digits than its factorization.

613959040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001692.

The product of its (nonzero) digits is 116640, while the sum is 42.

Adding to 613959040401 its reverse (104040959316), we get a palindrome (717999999717).

The spelling of 613959040401 in words is "six hundred thirteen billion, nine hundred fifty-nine million, forty thousand, four hundred one".