1421350463 has 4 divisors (see below), whose sum is σ = 1530685128. Its totient is φ = 1312015800.

The previous prime is 1421350429. The next prime is 1421350471. The reversal of 1421350463 is 3640531241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3640531241 = 23 ⋅158283967.

It is a cyclic number.

It is not a de Polignac number, because 1421350463 - 2¹⁶ = 1421284927 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 (1421350493) 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, 54667313 + ... + 54667338.

It is an arithmetic number, because the mean of its divisors is an integer number (382671282).

Almost surely, 2^1421350463 is an apocalyptic number.

1421350463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1421350463 is a deficient number, since it is larger than the sum of its proper divisors (109334665).

1421350463 is a wasteful number, since it uses less digits than its factorization.

1421350463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109334664.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1421350463 is about 37700.8018880235. The cubic root of 1421350463 is about 1124.3470681675.

The spelling of 1421350463 in words is "one billion, four hundred twenty-one million, three hundred fifty thousand, four hundred sixty-three".