1421766046 has 16 divisors (see below), whose sum is σ = 2148930000. Its totient is φ = 705465088.

The previous prime is 1421766043. The next prime is 1421766053. The reversal of 1421766046 is 6406671241.

It is a junction number, because it is equal to n+sod(n) for n = 1421765996 and 1421766014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421766043) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 624366 + ... + 626638.

It is an arithmetic number, because the mean of its divisors is an integer number (134308125).

Almost surely, 2^1421766046 is an apocalyptic number.

1421766046 is a deficient number, since it is larger than the sum of its proper divisors (727163954).

1421766046 is a wasteful number, since it uses less digits than its factorization.

1421766046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1421766046 is about 37706.3130788466. The cubic root of 1421766046 is about 1124.4566386094.

The spelling of 1421766046 in words is "one billion, four hundred twenty-one million, seven hundred sixty-six thousand, forty-six".