3129577049 has 2 divisors, whose sum is σ = 3129577050. Its totient is φ = 3129577048.

The previous prime is 3129577037. The next prime is 3129577067. The reversal of 3129577049 is 9407759213.

3129577049 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., 2243443225 + 886133824 = 47365^2 + 29768^2 .

It is an emirp because it is prime and its reverse (9407759213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3129577049 - 2¹⁶ = 3129511513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3129576994 and 3129577012.

It is not a weakly prime, because it can be changed into another prime (3129577249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564788524 + 1564788525.

It is an arithmetic number, because the mean of its divisors is an integer number (1564788525).

Almost surely, 2^3129577049 is an apocalyptic number.

It is an amenable number.

3129577049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3129577049 is an equidigital number, since it uses as much as digits as its factorization.

3129577049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 3129577049 is about 55942.6228291095. The cubic root of 3129577049 is about 1462.7223007739.

The spelling of 3129577049 in words is "three billion, one hundred twenty-nine million, five hundred seventy-seven thousand, forty-nine".