37777225489 has 2 divisors, whose sum is σ = 37777225490. Its totient is φ = 37777225488.

The previous prime is 37777225481. The next prime is 37777225523. The reversal of 37777225489 is 98452277773.

37777225489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31895102464 + 5882123025 = 178592^2 + 76695^2 .

It is a cyclic number.

It is not a de Polignac number, because 37777225489 - 2³ = 37777225481 is a prime.

It is not a weakly prime, because it can be changed into another prime (37777225481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18888612744 + 18888612745.

It is an arithmetic number, because the mean of its divisors is an integer number (18888612745).

Almost surely, 2^37777225489 is an apocalyptic number.

It is an amenable number.

37777225489 is a deficient number, since it is larger than the sum of its proper divisors (1).

37777225489 is an equidigital number, since it uses as much as digits as its factorization.

37777225489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41489280, while the sum is 61.

The spelling of 37777225489 in words is "thirty-seven billion, seven hundred seventy-seven million, two hundred twenty-five thousand, four hundred eighty-nine".