39474240037 has 2 divisors, whose sum is σ = 39474240038. Its totient is φ = 39474240036.

The previous prime is 39474239977. The next prime is 39474240049. The reversal of 39474240037 is 73004247493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35055447361 + 4418792676 = 187231^2 + 66474^2 .

It is a cyclic number.

It is not a de Polignac number, because 39474240037 - 2³⁵ = 5114501669 is a prime.

It is a super-4 number, since 4×39474240037⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 39474239975 and 39474240002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39474240067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19737120018 + 19737120019.

It is an arithmetic number, because the mean of its divisors is an integer number (19737120019).

Almost surely, 2^39474240037 is an apocalyptic number.

It is an amenable number.

39474240037 is a deficient number, since it is larger than the sum of its proper divisors (1).

39474240037 is an equidigital number, since it uses as much as digits as its factorization.

39474240037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 39474240037 in words is "thirty-nine billion, four hundred seventy-four million, two hundred forty thousand, thirty-seven".