3781292002 has 4 divisors (see below), whose sum is σ = 5671938006. Its totient is φ = 1890646000.

The previous prime is 3781291981. The next prime is 3781292057. The reversal of 3781292002 is 2002921873.

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., 3577116481 + 204175521 = 59809^2 + 14289^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945322999 + ... + 945323002.

Almost surely, 2^3781292002 is an apocalyptic number.

3781292002 is a deficient number, since it is larger than the sum of its proper divisors (1890646004).

3781292002 is a wasteful number, since it uses less digits than its factorization.

3781292002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890646003.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 3781292002 is about 61492.2109051220. The cubic root of 3781292002 is about 1557.9256895121.

The spelling of 3781292002 in words is "three billion, seven hundred eighty-one million, two hundred ninety-two thousand, two".