3748915457238 has 32 divisors (see below), whose sum is σ = 8569458187776. Its totient is φ = 1071055130688.

The previous prime is 3748915457233. The next prime is 3748915457269. The reversal of 3748915457238 is 8327545198473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748915457233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930431 + ... + 3350282.

It is an arithmetic number, because the mean of its divisors is an integer number (267795568368).

Almost surely, 2^{3748915457238} is an apocalyptic number.

3748915457238 is an abundant number, since it is smaller than the sum of its proper divisors (4820542730538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3748915457238 is a wasteful number, since it uses less digits than its factorization.

3748915457238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297628.

The product of its digits is 203212800, while the sum is 66.

The spelling of 3748915457238 in words is "three trillion, seven hundred forty-eight billion, nine hundred fifteen million, four hundred fifty-seven thousand, two hundred thirty-eight".