1249674897744 has 160 divisors (see below), whose sum is σ = 4414806045440. Its totient is φ = 329584578048.

The previous prime is 1249674897739. The next prime is 1249674897767. The reversal of 1249674897744 is 4477984769421.

It is a happy number.

1249674897744 is a `hidden beast` number, since 1 + 2 + 49 + 67 + 489 + 7 + 7 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15855007 + ... + 15933630.

It is an arithmetic number, because the mean of its divisors is an integer number (27592537784).

Almost surely, 2^{1249674897744} is an apocalyptic number.

1249674897744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1249674897744 is an abundant number, since it is smaller than the sum of its proper divisors (3165131147696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1249674897744 is a wasteful number, since it uses less digits than its factorization.

1249674897744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31788674 (or 31788662 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 72.

The spelling of 1249674897744 in words is "one trillion, two hundred forty-nine billion, six hundred seventy-four million, eight hundred ninety-seven thousand, seven hundred forty-four".