7263728423491 has 8 divisors (see below), whose sum is σ = 7265529363168. Its totient is φ = 7261927680000.

The previous prime is 7263728423423. The next prime is 7263728423519. The reversal of 7263728423491 is 1943248273627.

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

It is a cyclic number.

It is not a de Polignac number, because 7263728423491 - 2³¹ = 7261580939843 is a prime.

It is a super-2 number, since 2×7263728423491² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7263728426491) 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, 96143811 + ... + 96219331.

It is an arithmetic number, because the mean of its divisors is an integer number (908191170396).

Almost surely, 2^{7263728423491} is an apocalyptic number.

7263728423491 is a deficient number, since it is larger than the sum of its proper divisors (1800939677).

7263728423491 is a wasteful number, since it uses less digits than its factorization.

7263728423491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98093.

The product of its digits is 24385536, while the sum is 58.

The spelling of 7263728423491 in words is "seven trillion, two hundred sixty-three billion, seven hundred twenty-eight million, four hundred twenty-three thousand, four hundred ninety-one".