1401626745693 has 48 divisors (see below), whose sum is σ = 2118709846656. Its totient is φ = 891207567360.

The previous prime is 1401626745689. The next prime is 1401626745697. The reversal of 1401626745693 is 3965476261041.

It is a happy number.

1401626745693 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 6 + 2 + 6 + 74 + 569 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1401626745689) and next prime (1401626745697).

It is not a de Polignac number, because 1401626745693 - 2² = 1401626745689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401626745697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160530138 + ... + 160538868.

It is an arithmetic number, because the mean of its divisors is an integer number (44139788472).

Almost surely, 2^{1401626745693} is an apocalyptic number.

It is an amenable number.

1401626745693 is a deficient number, since it is larger than the sum of its proper divisors (717083100963).

1401626745693 is a wasteful number, since it uses less digits than its factorization.

1401626745693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10914 (or 10911 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 1401626745693 in words is "one trillion, four hundred one billion, six hundred twenty-six million, seven hundred forty-five thousand, six hundred ninety-three".