6738937490 has 8 divisors (see below), whose sum is σ = 12130087500. Its totient is φ = 2695574992.

The previous prime is 6738937481. The next prime is 6738937493. The reversal of 6738937490 is 947398376.

It can be written as a sum of positive squares in 2 ways, for example, as 6686823529 + 52113961 = 81773^2 + 7219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6738937493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336946865 + ... + 336946884.

Almost surely, 2^6738937490 is an apocalyptic number.

6738937490 is a deficient number, since it is larger than the sum of its proper divisors (5391150010).

6738937490 is a wasteful number, since it uses less digits than its factorization.

6738937490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673893756.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The square root of 6738937490 is about 82091.0317269798. The cubic root of 6738937490 is about 1888.8485740736.

The spelling of 6738937490 in words is "six billion, seven hundred thirty-eight million, nine hundred thirty-seven thousand, four hundred ninety".