37651061243 has 2 divisors, whose sum is σ = 37651061244. Its totient is φ = 37651061242.

The previous prime is 37651061237. The next prime is 37651061263. The reversal of 37651061243 is 34216015673.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37651061243 - 2⁸ = 37651060987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 37651061197 and 37651061206.

It is not a weakly prime, because it can be changed into another prime (37651061263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18825530621 + 18825530622.

It is an arithmetic number, because the mean of its divisors is an integer number (18825530622).

Almost surely, 2^37651061243 is an apocalyptic number.

37651061243 is a deficient number, since it is larger than the sum of its proper divisors (1).

37651061243 is an equidigital number, since it uses as much as digits as its factorization.

37651061243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 37651061243 in words is "thirty-seven billion, six hundred fifty-one million, sixty-one thousand, two hundred forty-three".