2912501663 has 4 divisors (see below), whose sum is σ = 2938276128. Its totient is φ = 2886727200.

The previous prime is 2912501653. The next prime is 2912501699. The reversal of 2912501663 is 3661052192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2912501663 - 2¹⁶ = 2912436127 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 (2912501653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12887063 + ... + 12887288.

It is an arithmetic number, because the mean of its divisors is an integer number (734569032).

Almost surely, 2^2912501663 is an apocalyptic number.

2912501663 is a deficient number, since it is larger than the sum of its proper divisors (25774465).

2912501663 is a wasteful number, since it uses less digits than its factorization.

2912501663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25774464.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2912501663 is about 53967.5982697025. The cubic root of 2912501663 is about 1428.0893947063.

The spelling of 2912501663 in words is "two billion, nine hundred twelve million, five hundred one thousand, six hundred sixty-three".