1421753398630 has 32 divisors (see below), whose sum is σ = 2567077207200. Its totient is φ = 566942380032.

The previous prime is 1421753398609. The next prime is 1421753398673. The reversal of 1421753398630 is 368933571241.

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, 9094566 + ... + 9249574.

It is an arithmetic number, because the mean of its divisors is an integer number (80221162725).

It is a 1-persistent number, because it is pandigital, but 2⋅1421753398630 = 2843506797260 is not.

Almost surely, 2^{1421753398630} is an apocalyptic number.

1421753398630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421753398630 is a deficient number, since it is larger than the sum of its proper divisors (1145323808570).

1421753398630 is a wasteful number, since it uses less digits than its factorization.

1421753398630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157848.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 1421753398630 in words is "one trillion, four hundred twenty-one billion, seven hundred fifty-three million, three hundred ninety-eight thousand, six hundred thirty".