37748134747 has 2 divisors, whose sum is σ = 37748134748. Its totient is φ = 37748134746.

The previous prime is 37748134679. The next prime is 37748134763. The reversal of 37748134747 is 74743184773.

It is a strong prime.

It is an emirp because it is prime and its reverse (74743184773) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37748134747 is a prime.

It is not a weakly prime, because it can be changed into another prime (37748134247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18874067373 + 18874067374.

It is an arithmetic number, because the mean of its divisors is an integer number (18874067374).

Almost surely, 2^37748134747 is an apocalyptic number.

37748134747 is a deficient number, since it is larger than the sum of its proper divisors (1).

37748134747 is an equidigital number, since it uses as much as digits as its factorization.

37748134747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11063808, while the sum is 55.

The spelling of 37748134747 in words is "thirty-seven billion, seven hundred forty-eight million, one hundred thirty-four thousand, seven hundred forty-seven".