30051434555421 has 16 divisors (see below), whose sum is σ = 41361259757568. Its totient is φ = 19387954076400.

The previous prime is 30051434555407. The next prime is 30051434555477. The reversal of 30051434555421 is 12455543415003.

It is not a de Polignac number, because 30051434555421 - 2¹¹ = 30051434553373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32051434555421) 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, 52033780 + ... + 52608146.

It is an arithmetic number, because the mean of its divisors is an integer number (2585078734848).

Almost surely, 2^{30051434555421} is an apocalyptic number.

30051434555421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30051434555421 is a deficient number, since it is larger than the sum of its proper divisors (11309825202147).

30051434555421 is a wasteful number, since it uses less digits than its factorization.

30051434555421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136992.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 30051434555421 in words is "thirty trillion, fifty-one billion, four hundred thirty-four million, five hundred fifty-five thousand, four hundred twenty-one".