2738131398 has 32 divisors (see below), whose sum is σ = 6107904000. Its totient is φ = 909235368.

The previous prime is 2738131379. The next prime is 2738131399. The reversal of 2738131398 is 8931318372.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2738131399) 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, 82198 + ... + 110601.

It is an arithmetic number, because the mean of its divisors is an integer number (190872000).

Almost surely, 2^2738131398 is an apocalyptic number.

2738131398 is an abundant number, since it is smaller than the sum of its proper divisors (3369772602).

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

2738131398 is a wasteful number, since it uses less digits than its factorization.

2738131398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193073 (or 193067 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2738131398 is about 52327.1573659414. The cubic root of 2738131398 is about 1399.0012260696.

The spelling of 2738131398 in words is "two billion, seven hundred thirty-eight million, one hundred thirty-one thousand, three hundred ninety-eight".