1421413519 has 16 divisors (see below), whose sum is σ = 1508855040. Its totient is φ = 1337057280.

The previous prime is 1421413489. The next prime is 1421413523. The reversal of 1421413519 is 9153141241.

It is a de Polignac number, because none of the positive numbers 2^k-1421413519 is a prime.

It is a super-2 number, since 2×1421413519² = 4040832783991926722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421413559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175119 + ... + 183055.

It is an arithmetic number, because the mean of its divisors is an integer number (94303440).

Almost surely, 2^1421413519 is an apocalyptic number.

1421413519 is a deficient number, since it is larger than the sum of its proper divisors (87441521).

1421413519 is a wasteful number, since it uses less digits than its factorization.

1421413519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130.

The product of its digits is 4320, while the sum is 31.

The square root of 1421413519 is about 37701.6381474333. The cubic root of 1421413519 is about 1124.3636945572.

The spelling of 1421413519 in words is "one billion, four hundred twenty-one million, four hundred thirteen thousand, five hundred nineteen".