1485644020419 has 32 divisors (see below), whose sum is σ = 2163209013504. Its totient is φ = 901484288640.

The previous prime is 1485644020381. The next prime is 1485644020433. The reversal of 1485644020419 is 9140204465841.

It is not a de Polignac number, because 1485644020419 - 2⁸ = 1485644020163 is a prime.

It is a super-2 number, since 2×1485644020419² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1485644020439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123969 + ... + 1728194.

It is an arithmetic number, because the mean of its divisors is an integer number (67600281672).

Almost surely, 2^{1485644020419} is an apocalyptic number.

1485644020419 is a deficient number, since it is larger than the sum of its proper divisors (677564993085).

1485644020419 is a wasteful number, since it uses less digits than its factorization.

1485644020419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852467.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 1485644020419 in words is "one trillion, four hundred eighty-five billion, six hundred forty-four million, twenty thousand, four hundred nineteen".