1401626745747 has 6 divisors (see below), whose sum is σ = 2024571966092. Its totient is φ = 934417830492.

The previous prime is 1401626745731. The next prime is 1401626745793. The reversal of 1401626745747 is 7475476261041.

1401626745747 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 6 + 2 + 67 + 4 + 574 + 7 = 666.

It is not a de Polignac number, because 1401626745747 - 2⁴ = 1401626745731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401626745693 and 1401626745702.

It is not an unprimeable number, because it can be changed into a prime (1401626745797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77868152533 + ... + 77868152550.

Almost surely, 2^{1401626745747} is an apocalyptic number.

1401626745747 is a deficient number, since it is larger than the sum of its proper divisors (622945220345).

1401626745747 is a wasteful number, since it uses less digits than its factorization.

1401626745747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155736305089 (or 155736305086 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 1401626745747 in words is "one trillion, four hundred one billion, six hundred twenty-six million, seven hundred forty-five thousand, seven hundred forty-seven".