1649364582452 has 12 divisors (see below), whose sum is σ = 2886810733380. Its totient is φ = 824561515776.

The previous prime is 1649364582451. The next prime is 1649364582469. The reversal of 1649364582452 is 2542854639461.

It can be written as a sum of positive squares in 2 ways, for example, as 451119095716 + 1198245486736 = 671654^2 + 1094644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1649364582391 and 1649364582400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649364582451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30163133 + ... + 30217764.

It is an arithmetic number, because the mean of its divisors is an integer number (240567561115).

Almost surely, 2^{1649364582452} is an apocalyptic number.

It is an amenable number.

1649364582452 is a deficient number, since it is larger than the sum of its proper divisors (1237446150928).

1649364582452 is a wasteful number, since it uses less digits than its factorization.

1649364582452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60387730 (or 60387728 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 59.

The spelling of 1649364582452 in words is "one trillion, six hundred forty-nine billion, three hundred sixty-four million, five hundred eighty-two thousand, four hundred fifty-two".