1403945220667 has 16 divisors (see below), whose sum is σ = 1534340570112. Its totient is φ = 1274011204320.

The previous prime is 1403945220653. The next prime is 1403945220683. The reversal of 1403945220667 is 7660225493041.

It is a cyclic number.

It is not a de Polignac number, because 1403945220667 - 2¹¹ = 1403945218619 is a prime.

It is a super-2 number, since 2×1403945220667² (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 1403945220667.

It is not an unprimeable number, because it can be changed into a prime (1403945220607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57590293 + ... + 57614665.

It is an arithmetic number, because the mean of its divisors is an integer number (95896285632).

Almost surely, 2^{1403945220667} is an apocalyptic number.

1403945220667 is a deficient number, since it is larger than the sum of its proper divisors (130395349445).

1403945220667 is a wasteful number, since it uses less digits than its factorization.

1403945220667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33618.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1403945220667 in words is "one trillion, four hundred three billion, nine hundred forty-five million, two hundred twenty thousand, six hundred sixty-seven".