1964213039 has 6 divisors (see below), whose sum is σ = 2010956616. Its totient is φ = 1918531860.

The previous prime is 1964213029. The next prime is 1964213047. The reversal of 1964213039 is 9303124691.

It is a de Polignac number, because none of the positive numbers 2^k-1964213039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1964212993 and 1964213011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964213029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529307 + ... + 533004.

It is an arithmetic number, because the mean of its divisors is an integer number (335159436).

Almost surely, 2^1964213039 is an apocalyptic number.

1964213039 is a deficient number, since it is larger than the sum of its proper divisors (46743577).

1964213039 is an equidigital number, since it uses as much as digits as its factorization.

1964213039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062397 (or 1062354 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 1964213039 is about 44319.4431260141. The cubic root of 1964213039 is about 1252.3609861081.

The spelling of 1964213039 in words is "one billion, nine hundred sixty-four million, two hundred thirteen thousand, thirty-nine".