2002155563463 has 16 divisors (see below), whose sum is σ = 2912265985152. Its totient is φ = 1213411068000.

The previous prime is 2002155563449. The next prime is 2002155563497. The reversal of 2002155563463 is 3643655512002.

It is a happy number.

It is not a de Polignac number, because 2002155563463 - 2⁶ = 2002155563399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002155563663) 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, 2310933 + ... + 3056913.

It is an arithmetic number, because the mean of its divisors is an integer number (182016624072).

Almost surely, 2^{2002155563463} is an apocalyptic number.

2002155563463 is a deficient number, since it is larger than the sum of its proper divisors (910110421689).

2002155563463 is a wasteful number, since it uses less digits than its factorization.

2002155563463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827326.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 2002155563463 in words is "two trillion, two billion, one hundred fifty-five million, five hundred sixty-three thousand, four hundred sixty-three".