1964428007 has 16 divisors (see below), whose sum is σ = 2017008384. Its totient is φ = 1912680000.

The previous prime is 1964428001. The next prime is 1964428009. The reversal of 1964428007 is 7008244691.

It is a cyclic number.

It is not a de Polignac number, because 1964428007 - 2⁴ = 1964427991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964428001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842532 + ... + 2843222.

It is an arithmetic number, because the mean of its divisors is an integer number (126063024).

Almost surely, 2^1964428007 is an apocalyptic number.

1964428007 is a deficient number, since it is larger than the sum of its proper divisors (52580377).

1964428007 is a wasteful number, since it uses less digits than its factorization.

1964428007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1964428007 is about 44321.8682706404. The cubic root of 1964428007 is about 1252.4066715319.

The spelling of 1964428007 in words is "one billion, nine hundred sixty-four million, four hundred twenty-eight thousand, seven".