1974098617344 has 132 divisors (see below), whose sum is σ = 6514476689344. Its totient is φ = 564028157952.

The previous prime is 1974098617339. The next prime is 1974098617357. The reversal of 1974098617344 is 4437168904791.

1974098617344 is a `hidden beast` number, since 1 + 9 + 7 + 4 + 0 + 9 + 8 + 617 + 3 + 4 + 4 = 666.

It is a super-2 number, since 2×1974098617344² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15235732 + ... + 15364755.

Almost surely, 2^{1974098617344} is an apocalyptic number.

1974098617344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1974098617344 is an abundant number, since it is smaller than the sum of its proper divisors (4540378072000).

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

1974098617344 is a wasteful number, since it uses less digits than its factorization.

1974098617344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30600520 (or 30600499 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 1974098617344 in words is "one trillion, nine hundred seventy-four billion, ninety-eight million, six hundred seventeen thousand, three hundred forty-four".