1472197421761 has 12 divisors (see below), whose sum is σ = 1624216122900. Its totient is φ = 1333385942240.

The previous prime is 1472197421603. The next prime is 1472197421767. The reversal of 1472197421761 is 1671247912741.

It can be written as a sum of positive squares in 2 ways, for example, as 194608028736 + 1277589393025 = 441144^2 + 1130305^2 .

It is not a de Polignac number, because 1472197421761 - 2¹⁹ = 1472196897473 is a prime.

It is a super-2 number, since 2×1472197421761² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1472197421699 and 1472197421708.

It is not an unprimeable number, because it can be changed into a prime (1472197421767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22582546 + ... + 22647643.

It is an arithmetic number, because the mean of its divisors is an integer number (135351343575).

Almost surely, 2^{1472197421761} is an apocalyptic number.

1472197421761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1472197421761 is a deficient number, since it is larger than the sum of its proper divisors (152018701139).

1472197421761 is a wasteful number, since it uses less digits than its factorization.

1472197421761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45230480 (or 45230469 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 52.

The spelling of 1472197421761 in words is "one trillion, four hundred seventy-two billion, one hundred ninety-seven million, four hundred twenty-one thousand, seven hundred sixty-one".