1421695349 has 8 divisors (see below), whose sum is σ = 1497308640. Its totient is φ = 1346160816.

The previous prime is 1421695337. The next prime is 1421695361. The reversal of 1421695349 is 9435961241.

It is an interprime number because it is at equal distance from previous prime (1421695337) and next prime (1421695361).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421695349 - 2²⁸ = 1153259893 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 (1421695399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19379 + ... + 56735.

It is an arithmetic number, because the mean of its divisors is an integer number (187163580).

Almost surely, 2^1421695349 is an apocalyptic number.

1421695349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1421695349 is a deficient number, since it is larger than the sum of its proper divisors (75613291).

1421695349 is a wasteful number, since it uses less digits than its factorization.

1421695349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39379.

The product of its digits is 233280, while the sum is 44.

The square root of 1421695349 is about 37705.3755981823. The cubic root of 1421695349 is about 1124.4380005151.

The spelling of 1421695349 in words is "one billion, four hundred twenty-one million, six hundred ninety-five thousand, three hundred forty-nine".