1963139433306 has 32 divisors (see below), whose sum is σ = 3930386595840. Its totient is φ = 653695345776.

The previous prime is 1963139433287. The next prime is 1963139433371. The reversal of 1963139433306 is 6033349313691.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73548295 + ... + 73574981.

It is an arithmetic number, because the mean of its divisors is an integer number (122824581120).

Almost surely, 2^{1963139433306} is an apocalyptic number.

1963139433306 is an abundant number, since it is smaller than the sum of its proper divisors (1967247162534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1963139433306 is a wasteful number, since it uses less digits than its factorization.

1963139433306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39058.

The product of its (nonzero) digits is 2834352, while the sum is 51.

The spelling of 1963139433306 in words is "one trillion, nine hundred sixty-three billion, one hundred thirty-nine million, four hundred thirty-three thousand, three hundred six".