1962640005 has 8 divisors (see below), whose sum is σ = 3140224032. Its totient is φ = 1046741328.

The previous prime is 1962640003. The next prime is 1962640027. The reversal of 1962640005 is 5000462691.

1962640005 is digitally balanced in base 4 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1962640005 - 2¹ = 1962640003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1962640003) 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, 65421319 + ... + 65421348.

It is an arithmetic number, because the mean of its divisors is an integer number (392528004).

Almost surely, 2^1962640005 is an apocalyptic number.

1962640005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1962640005 is a deficient number, since it is larger than the sum of its proper divisors (1177584027).

1962640005 is a wasteful number, since it uses less digits than its factorization.

1962640005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130842675.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1962640005 is about 44301.6930263393. The cubic root of 1962640005 is about 1252.0265803354.

The spelling of 1962640005 in words is "one billion, nine hundred sixty-two million, six hundred forty thousand, five".