39274315477 has 2 divisors, whose sum is σ = 39274315478. Its totient is φ = 39274315476.

The previous prime is 39274315463. The next prime is 39274315499. The reversal of 39274315477 is 77451347293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38967154801 + 307160676 = 197401^2 + 17526^2 .

It is a cyclic number.

It is not a de Polignac number, because 39274315477 - 2⁷ = 39274315349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39274319477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19637157738 + 19637157739.

It is an arithmetic number, because the mean of its divisors is an integer number (19637157739).

Almost surely, 2^39274315477 is an apocalyptic number.

It is an amenable number.

39274315477 is a deficient number, since it is larger than the sum of its proper divisors (1).

39274315477 is an equidigital number, since it uses as much as digits as its factorization.

39274315477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 52.

The spelling of 39274315477 in words is "thirty-nine billion, two hundred seventy-four million, three hundred fifteen thousand, four hundred seventy-seven".