1421544104534 has 16 divisors (see below), whose sum is σ = 2189132898480. Its totient is φ = 692037883680.

The previous prime is 1421544104527. The next prime is 1421544104569. The reversal of 1421544104534 is 4354014451241.

It is a super-2 number, since 2×1421544104534² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51172349 + ... + 51200120.

It is an arithmetic number, because the mean of its divisors is an integer number (136820806155).

Almost surely, 2^{1421544104534} is an apocalyptic number.

1421544104534 is a deficient number, since it is larger than the sum of its proper divisors (767588793946).

1421544104534 is a wasteful number, since it uses less digits than its factorization.

1421544104534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102372655.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 1421544104534 its reverse (4354014451241), we get a palindrome (5775558555775).

The spelling of 1421544104534 in words is "one trillion, four hundred twenty-one billion, five hundred forty-four million, one hundred four thousand, five hundred thirty-four".