1401646383247 has 12 divisors (see below), whose sum is σ = 1541213443000. Its totient is φ = 1273760159760.

The previous prime is 1401646383223. The next prime is 1401646383257. The reversal of 1401646383247 is 7423836461041.

It is not a de Polignac number, because 1401646383247 - 2⁷ = 1401646383119 is a prime.

It is a super-2 number, since 2×1401646383247² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1401646383247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401646383257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1774293 + ... + 2439550.

Almost surely, 2^{1401646383247} is an apocalyptic number.

1401646383247 is a deficient number, since it is larger than the sum of its proper divisors (139567059753).

1401646383247 is a wasteful number, since it uses less digits than its factorization.

1401646383247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216614 (or 4216603 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 1401646383247 in words is "one trillion, four hundred one billion, six hundred forty-six million, three hundred eighty-three thousand, two hundred forty-seven".