3621457740037 has 2 divisors, whose sum is σ = 3621457740038. Its totient is φ = 3621457740036.

The previous prime is 3621457739983. The next prime is 3621457740077. The reversal of 3621457740037 is 7300477541263.

It is a happy number.

3621457740037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3070516739521 + 550941000516 = 1752289^2 + 742254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3621457740037 is a prime.

It is a super-2 number, since 2×3621457740037² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621457740077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810728870018 + 1810728870019.

It is an arithmetic number, because the mean of its divisors is an integer number (1810728870019).

Almost surely, 2^{3621457740037} is an apocalyptic number.

It is an amenable number.

3621457740037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621457740037 is an equidigital number, since it uses as much as digits as its factorization.

3621457740037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 3621457740037 in words is "three trillion, six hundred twenty-one billion, four hundred fifty-seven million, seven hundred forty thousand, thirty-seven".