3763748421 has 12 divisors (see below), whose sum is σ = 5437380780. Its totient is φ = 2508770880.

The previous prime is 3763748407. The next prime is 3763748423. The reversal of 3763748421 is 1248473673.

3763748421 is a `hidden beast` number, since 3 + 7 + 637 + 4 + 8 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1212084225 + 2551664196 = 34815^2 + 50514^2 .

It is not a de Polignac number, because 3763748421 - 2¹⁷ = 3763617349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3763748423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34831 + ... + 93491.

It is an arithmetic number, because the mean of its divisors is an integer number (453115065).

Almost surely, 2^3763748421 is an apocalyptic number.

It is an amenable number.

3763748421 is a deficient number, since it is larger than the sum of its proper divisors (1673632359).

3763748421 is a wasteful number, since it uses less digits than its factorization.

3763748421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65796 (or 65793 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 3763748421 is about 61349.3962561980. The cubic root of 3763748421 is about 1555.5125836408.

The spelling of 3763748421 in words is "three billion, seven hundred sixty-three million, seven hundred forty-eight thousand, four hundred twenty-one".