1449973997050 has 24 divisors (see below), whose sum is σ = 2697108241212. Its totient is φ = 579955920000.

The previous prime is 1449973997027. The next prime is 1449973997051. The reversal of 1449973997050 is 507993799441.

It can be written as a sum of positive squares in 6 ways, for example, as 243515601729 + 1206458395321 = 493473^2 + 1098389^2 .

It is not an unprimeable number, because it can be changed into a prime (1449973997051) 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, 36780 + ... + 1703320.

Almost surely, 2^{1449973997050} is an apocalyptic number.

1449973997050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1449973997050 is a deficient number, since it is larger than the sum of its proper divisors (1247134244162).

1449973997050 is a wasteful number, since it uses less digits than its factorization.

1449973997050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683954 (or 1683949 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 67.

The spelling of 1449973997050 in words is "one trillion, four hundred forty-nine billion, nine hundred seventy-three million, nine hundred ninety-seven thousand, fifty".