39290069461 has 2 divisors, whose sum is σ = 39290069462. Its totient is φ = 39290069460.

The previous prime is 39290069419. The next prime is 39290069491. The reversal of 39290069461 is 16496009293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39247572100 + 42497361 = 198110^2 + 6519^2 .

It is a cyclic number.

It is not a de Polignac number, because 39290069461 - 2²¹ = 39287972309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39290069411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19645034730 + 19645034731.

It is an arithmetic number, because the mean of its divisors is an integer number (19645034731).

Almost surely, 2^39290069461 is an apocalyptic number.

It is an amenable number.

39290069461 is a deficient number, since it is larger than the sum of its proper divisors (1).

39290069461 is an equidigital number, since it uses as much as digits as its factorization.

39290069461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 49.

The spelling of 39290069461 in words is "thirty-nine billion, two hundred ninety million, sixty-nine thousand, four hundred sixty-one".