3731641438 has 16 divisors (see below), whose sum is σ = 6569995104. Its totient is φ = 1556051040.

The previous prime is 3731641409. The next prime is 3731641451. The reversal of 3731641438 is 8341461373.

It is a self number, because there is not a number n which added to its sum of digits gives 3731641438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3601453 + ... + 3602488.

It is an arithmetic number, because the mean of its divisors is an integer number (410624694).

Almost surely, 2^3731641438 is an apocalyptic number.

3731641438 is a deficient number, since it is larger than the sum of its proper divisors (2838353666).

3731641438 is a wasteful number, since it uses less digits than its factorization.

3731641438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203987.

The product of its digits is 145152, while the sum is 40.

The square root of 3731641438 is about 61087.1626284934. The cubic root of 3731641438 is about 1551.0768012587.

The spelling of 3731641438 in words is "three billion, seven hundred thirty-one million, six hundred forty-one thousand, four hundred thirty-eight".