754097797981 has 4 divisors (see below), whose sum is σ = 822652143264. Its totient is φ = 685543452700.

The previous prime is 754097797969. The next prime is 754097797987. The reversal of 754097797981 is 189797790457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 754097797981 - 2¹⁹ = 754097273693 is a prime.

It is a super-2 number, since 2×754097797981² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (754097797987) 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, 34277172625 + ... + 34277172646.

It is an arithmetic number, because the mean of its divisors is an integer number (205663035816).

Almost surely, 2^754097797981 is an apocalyptic number.

It is an amenable number.

754097797981 is a deficient number, since it is larger than the sum of its proper divisors (68554345283).

754097797981 is a wasteful number, since it uses less digits than its factorization.

754097797981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68554345282.

The product of its (nonzero) digits is 280052640, while the sum is 73.

The spelling of 754097797981 in words is "seven hundred fifty-four billion, ninety-seven million, seven hundred ninety-seven thousand, nine hundred eighty-one".