30740609477 has 2 divisors, whose sum is σ = 30740609478. Its totient is φ = 30740609476.

The previous prime is 30740609413. The next prime is 30740609503. The reversal of 30740609477 is 77490604703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18779687521 + 11960921956 = 137039^2 + 109366^2 .

It is a cyclic number.

It is not a de Polignac number, because 30740609477 - 2⁶ = 30740609413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30740609077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15370304738 + 15370304739.

It is an arithmetic number, because the mean of its divisors is an integer number (15370304739).

Almost surely, 2^30740609477 is an apocalyptic number.

It is an amenable number.

30740609477 is a deficient number, since it is larger than the sum of its proper divisors (1).

30740609477 is an equidigital number, since it uses as much as digits as its factorization.

30740609477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 30740609477 in words is "thirty billion, seven hundred forty million, six hundred nine thousand, four hundred seventy-seven".