1449303957957 has 16 divisors (see below), whose sum is σ = 1945546499520. Its totient is φ = 959637299712.

The previous prime is 1449303957947. The next prime is 1449303957961. The reversal of 1449303957957 is 7597593039441.

It is not a de Polignac number, because 1449303957957 - 2²⁴ = 1449287180741 is a prime.

It is a super-2 number, since 2×1449303957957² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449303957947) 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, 443893 + ... + 1759445.

It is an arithmetic number, because the mean of its divisors is an integer number (121596656220).

Almost surely, 2^{1449303957957} is an apocalyptic number.

It is an amenable number.

1449303957957 is a deficient number, since it is larger than the sum of its proper divisors (496242541563).

1449303957957 is a wasteful number, since it uses less digits than its factorization.

1449303957957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318052.

The product of its (nonzero) digits is 128595600, while the sum is 66.

The spelling of 1449303957957 in words is "one trillion, four hundred forty-nine billion, three hundred three million, nine hundred fifty-seven thousand, nine hundred fifty-seven".