3142605649 has 2 divisors, whose sum is σ = 3142605650. Its totient is φ = 3142605648.

The previous prime is 3142605617. The next prime is 3142605659. The reversal of 3142605649 is 9465062413.

3142605649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2239182400 + 903423249 = 47320^2 + 30057^2 .

It is an emirp because it is prime and its reverse (9465062413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3142605649 - 2⁵ = 3142605617 is a prime.

It is a super-2 number, since 2×3142605649² = 19751940530253422402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3142605659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571302824 + 1571302825.

It is an arithmetic number, because the mean of its divisors is an integer number (1571302825).

Almost surely, 2^3142605649 is an apocalyptic number.

It is an amenable number.

3142605649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142605649 is an equidigital number, since it uses as much as digits as its factorization.

3142605649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3142605649 is about 56058.9479833505. The cubic root of 3142605649 is about 1464.7492881318.

The spelling of 3142605649 in words is "three billion, one hundred forty-two million, six hundred five thousand, six hundred forty-nine".