37400351723689 has 2 divisors, whose sum is σ = 37400351723690. Its totient is φ = 37400351723688.

The previous prime is 37400351723641. The next prime is 37400351723731. The reversal of 37400351723689 is 98632715300473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35612154278464 + 1788197445225 = 5967592^2 + 1337235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37400351723689 is a prime.

It is not a weakly prime, because it can be changed into another prime (37400351723629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18700175861844 + 18700175861845.

It is an arithmetic number, because the mean of its divisors is an integer number (18700175861845).

It is a 1-persistent number, because it is pandigital, but 2⋅37400351723689 = 74800703447378 is not.

Almost surely, 2^{37400351723689} is an apocalyptic number.

It is an amenable number.

37400351723689 is a deficient number, since it is larger than the sum of its proper divisors (1).

37400351723689 is an equidigital number, since it uses as much as digits as its factorization.

37400351723689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 37400351723689 in words is "thirty-seven trillion, four hundred billion, three hundred fifty-one million, seven hundred twenty-three thousand, six hundred eighty-nine".