4012988654 has 4 divisors (see below), whose sum is σ = 6019482984. Its totient is φ = 2006494326.

The previous prime is 4012988633. The next prime is 4012988671. The reversal of 4012988654 is 4568892104.

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

It is a super-2 number, since 2×4012988654² = 32208155874265463432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4012988599 and 4012988608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003247162 + ... + 1003247165.

It is an arithmetic number, because the mean of its divisors is an integer number (1504870746).

Almost surely, 2^4012988654 is an apocalyptic number.

4012988654 is a deficient number, since it is larger than the sum of its proper divisors (2006494330).

4012988654 is a wasteful number, since it uses less digits than its factorization.

4012988654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006494329.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 4012988654 is about 63348.1543061832. The cubic root of 4012988654 is about 1589.1173791602.

The spelling of 4012988654 in words is "four billion, twelve million, nine hundred eighty-eight thousand, six hundred fifty-four".