3618972055 has 4 divisors (see below), whose sum is σ = 4342766472. Its totient is φ = 2895177640.

The previous prime is 3618972001. The next prime is 3618972079. The reversal of 3618972055 is 5502798163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5502798163 = 5167 ⋅1064989.

It is not a de Polignac number, because 3618972055 - 2¹¹ = 3618970007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3618971996 and 3618972014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361897201 + ... + 361897210.

It is an arithmetic number, because the mean of its divisors is an integer number (1085691618).

Almost surely, 2^3618972055 is an apocalyptic number.

3618972055 is a deficient number, since it is larger than the sum of its proper divisors (723794417).

3618972055 is an equidigital number, since it uses as much as digits as its factorization.

3618972055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723794416.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 3618972055 is about 60157.8927074411. The cubic root of 3618972055 is about 1535.3064573612.

The spelling of 3618972055 in words is "three billion, six hundred eighteen million, nine hundred seventy-two thousand, fifty-five".