1421696055 has 16 divisors (see below), whose sum is σ = 2449692000. Its totient is φ = 699911808.

The previous prime is 1421695973. The next prime is 1421696069. The reversal of 1421696055 is 5506961241.

It is not a de Polignac number, because 1421696055 - 2⁷ = 1421695927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 3645180 + ... + 3645569.

It is an arithmetic number, because the mean of its divisors is an integer number (153105750).

Almost surely, 2^1421696055 is an apocalyptic number.

1421696055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421696055 is a deficient number, since it is larger than the sum of its proper divisors (1027995945).

1421696055 is a wasteful number, since it uses less digits than its factorization.

1421696055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290770.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1421696055 is about 37705.3849602414. The cubic root of 1421696055 is about 1124.4381866434.

The spelling of 1421696055 in words is "one billion, four hundred twenty-one million, six hundred ninety-six thousand, fifty-five".