1964213029 has 2 divisors, whose sum is σ = 1964213030. Its totient is φ = 1964213028.

The previous prime is 1964212981. The next prime is 1964213047. The reversal of 1964213029 is 9203124691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1936176004 + 28037025 = 44002^2 + 5295^2 .

It is an emirp because it is prime and its reverse (9203124691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1964213029 - 2⁹ = 1964212517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964213059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982106514 + 982106515.

It is an arithmetic number, because the mean of its divisors is an integer number (982106515).

Almost surely, 2^1964213029 is an apocalyptic number.

It is an amenable number.

1964213029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964213029 is an equidigital number, since it uses as much as digits as its factorization.

1964213029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1964213029 is about 44319.4430131968. The cubic root of 1964213029 is about 1252.3609839828.

The spelling of 1964213029 in words is "one billion, nine hundred sixty-four million, two hundred thirteen thousand, twenty-nine".