3738813766 has 4 divisors (see below), whose sum is σ = 5608220652. Its totient is φ = 1869406882.

The previous prime is 3738813721. The next prime is 3738813773. The reversal of 3738813766 is 6673188373.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6673188373 = 743 ⋅8981411.

It is a super-2 number, since 2×3738813766² = 27957456753662205512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934703440 + ... + 934703443.

It is an arithmetic number, because the mean of its divisors is an integer number (1402055163).

Almost surely, 2^3738813766 is an apocalyptic number.

3738813766 is a deficient number, since it is larger than the sum of its proper divisors (1869406886).

3738813766 is a wasteful number, since it uses less digits than its factorization.

3738813766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869406885.

The product of its digits is 3048192, while the sum is 52.

The square root of 3738813766 is about 61145.8401365130. The cubic root of 3738813766 is about 1552.0699041542.

The spelling of 3738813766 in words is "three billion, seven hundred thirty-eight million, eight hundred thirteen thousand, seven hundred sixty-six".