1573726974249 has 8 divisors (see below), whose sum is σ = 2098321722112. Its totient is φ = 1049141771280.

The previous prime is 1573726974233. The next prime is 1573726974251. The reversal of 1573726974249 is 9424796273751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1573726974249 - 2⁴ = 1573726974233 is a prime.

It is a super-2 number, since 2×1573726974249² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1573726974249.

It is not an unprimeable number, because it can be changed into a prime (1573726924249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1992217 + ... + 2667654.

It is an arithmetic number, because the mean of its divisors is an integer number (262290215264).

Almost surely, 2^{1573726974249} is an apocalyptic number.

It is an amenable number.

1573726974249 is a deficient number, since it is larger than the sum of its proper divisors (524594747863).

1573726974249 is a wasteful number, since it uses less digits than its factorization.

1573726974249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772447.

The product of its digits is 160030080, while the sum is 66.

The spelling of 1573726974249 in words is "one trillion, five hundred seventy-three billion, seven hundred twenty-six million, nine hundred seventy-four thousand, two hundred forty-nine".