2918381002 has 4 divisors (see below), whose sum is σ = 4377571506. Its totient is φ = 1459190500.

The previous prime is 2918380919. The next prime is 2918381003. The reversal of 2918381002 is 2001838192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1836036801 + 1082344201 = 42849^2 + 32899^2 .

It is not an unprimeable number, because it can be changed into a prime (2918381003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729595249 + ... + 729595252.

Almost surely, 2^2918381002 is an apocalyptic number.

2918381002 is a deficient number, since it is larger than the sum of its proper divisors (1459190504).

2918381002 is a wasteful number, since it uses less digits than its factorization.

2918381002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459190503.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2918381002 is about 54022.0418162809. The cubic root of 2918381002 is about 1429.0496892431.

The spelling of 2918381002 in words is "two billion, nine hundred eighteen million, three hundred eighty-one thousand, two".