37748834401 has 2 divisors, whose sum is σ = 37748834402. Its totient is φ = 37748834400.

The previous prime is 37748834399. The next prime is 37748834419. The reversal of 37748834401 is 10443884773.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37732674001 + 16160400 = 194249^2 + 4020^2 .

It is a cyclic number.

It is not a de Polignac number, because 37748834401 - 2¹ = 37748834399 is a prime.

Together with 37748834399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (37748838401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18874417200 + 18874417201.

It is an arithmetic number, because the mean of its divisors is an integer number (18874417201).

Almost surely, 2^37748834401 is an apocalyptic number.

It is an amenable number.

37748834401 is a deficient number, since it is larger than the sum of its proper divisors (1).

37748834401 is an equidigital number, since it uses as much as digits as its factorization.

37748834401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 37748834401 in words is "thirty-seven billion, seven hundred forty-eight million, eight hundred thirty-four thousand, four hundred one".