7403735861481 has 16 divisors (see below), whose sum is σ = 10392023796800. Its totient is φ = 4675676695488.

The previous prime is 7403735861437. The next prime is 7403735861497. The reversal of 7403735861481 is 1841685373047.

It is not a de Polignac number, because 7403735861481 - 2¹⁷ = 7403735730409 is a prime.

It is a super-2 number, since 2×7403735861481² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7403735866481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363786 + ... + 5818083.

It is an arithmetic number, because the mean of its divisors is an integer number (649501487300).

Almost surely, 2^{7403735861481} is an apocalyptic number.

It is an amenable number.

7403735861481 is a deficient number, since it is larger than the sum of its proper divisors (2988287935319).

7403735861481 is a wasteful number, since it uses less digits than its factorization.

7403735861481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194648.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 7403735861481 in words is "seven trillion, four hundred three billion, seven hundred thirty-five million, eight hundred sixty-one thousand, four hundred eighty-one".