7453741681 has 8 divisors (see below), whose sum is σ = 7903630944. Its totient is φ = 7005122880.

The previous prime is 7453741663. The next prime is 7453741693. The reversal of 7453741681 is 1861473547.

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 7453741681 - 2¹⁷ = 7453610609 is a prime.

It is a super-2 number, since 2×7453741681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7453741081) 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, 305515 + ... + 329008.

It is an arithmetic number, because the mean of its divisors is an integer number (987953868).

Almost surely, 2^7453741681 is an apocalyptic number.

It is an amenable number.

7453741681 is a deficient number, since it is larger than the sum of its proper divisors (449889263).

7453741681 is a wasteful number, since it uses less digits than its factorization.

7453741681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635231.

The product of its digits is 564480, while the sum is 46.

The square root of 7453741681 is about 86335.0547634042. The cubic root of 7453741681 is about 1953.4011806863.

The spelling of 7453741681 in words is "seven billion, four hundred fifty-three million, seven hundred forty-one thousand, six hundred eighty-one".