1964758630 has 16 divisors (see below), whose sum is σ = 3549067344. Its totient is φ = 783125280.

The previous prime is 1964758619. The next prime is 1964758633. The reversal of 1964758630 is 368574691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964758633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344301 + ... + 349960.

It is an arithmetic number, because the mean of its divisors is an integer number (221816709).

Almost surely, 2^1964758630 is an apocalyptic number.

1964758630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1964758630 is a deficient number, since it is larger than the sum of its proper divisors (1584308714).

1964758630 is a wasteful number, since it uses less digits than its factorization.

1964758630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694551.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 1964758630 is about 44325.5979091089. The cubic root of 1964758630 is about 1252.4769296803.

The spelling of 1964758630 in words is "one billion, nine hundred sixty-four million, seven hundred fifty-eight thousand, six hundred thirty".