1421634415099 has 8 divisors (see below), whose sum is σ = 1446296797440. Its totient is φ = 1396990929000.

The previous prime is 1421634415087. The next prime is 1421634415121. The reversal of 1421634415099 is 9905144361241.

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 1421634415099 - 2⁷ = 1421634414971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421634415039) 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, 4572247 + ... + 4873264.

It is an arithmetic number, because the mean of its divisors is an integer number (180787099680).

Almost surely, 2^{1421634415099} is an apocalyptic number.

1421634415099 is a deficient number, since it is larger than the sum of its proper divisors (24662382341).

1421634415099 is an equidigital number, since it uses as much as digits as its factorization.

1421634415099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448121.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 1421634415099 in words is "one trillion, four hundred twenty-one billion, six hundred thirty-four million, four hundred fifteen thousand, ninety-nine".