37934345321 has 2 divisors, whose sum is σ = 37934345322. Its totient is φ = 37934345320.

The previous prime is 37934345287. The next prime is 37934345341. The reversal of 37934345321 is 12354343973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21904000000 + 16030345321 = 148000^2 + 126611^2 .

It is a cyclic number.

It is not a de Polignac number, because 37934345321 - 2¹⁰ = 37934344297 is a prime.

It is not a weakly prime, because it can be changed into another prime (37934345341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18967172660 + 18967172661.

It is an arithmetic number, because the mean of its divisors is an integer number (18967172661).

Almost surely, 2^37934345321 is an apocalyptic number.

It is an amenable number.

37934345321 is a deficient number, since it is larger than the sum of its proper divisors (1).

37934345321 is an equidigital number, since it uses as much as digits as its factorization.

37934345321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 44.

The spelling of 37934345321 in words is "thirty-seven billion, nine hundred thirty-four million, three hundred forty-five thousand, three hundred twenty-one".