1421533477653 has 16 divisors (see below), whose sum is σ = 1896470701056. Its totient is φ = 947142791280.

The previous prime is 1421533477643. The next prime is 1421533477673. The reversal of 1421533477653 is 3567743351241.

It is a de Polignac number, because none of the positive numbers 2^k-1421533477653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421533477596 and 1421533477605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421533477613) 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, 39909550 + ... + 39945152.

It is an arithmetic number, because the mean of its divisors is an integer number (118529418816).

Almost surely, 2^{1421533477653} is an apocalyptic number.

It is an amenable number.

1421533477653 is a deficient number, since it is larger than the sum of its proper divisors (474937223403).

1421533477653 is a wasteful number, since it uses less digits than its factorization.

1421533477653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42904.

The product of its digits is 6350400, while the sum is 51.

The spelling of 1421533477653 in words is "one trillion, four hundred twenty-one billion, five hundred thirty-three million, four hundred seventy-seven thousand, six hundred fifty-three".