1406363640253 has 16 divisors (see below), whose sum is σ = 1653204168000. Its totient is φ = 1179470465280.

The previous prime is 1406363640239. The next prime is 1406363640263. The reversal of 1406363640253 is 3520463636041.

It is a cyclic number.

It is not a de Polignac number, because 1406363640253 - 2¹⁷ = 1406363509181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406363640263) 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, 2651308 + ... + 3137221.

It is an arithmetic number, because the mean of its divisors is an integer number (103325260500).

Almost surely, 2^{1406363640253} is an apocalyptic number.

1406363640253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1406363640253 is a deficient number, since it is larger than the sum of its proper divisors (246840527747).

1406363640253 is a wasteful number, since it uses less digits than its factorization.

1406363640253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5790252.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 1406363640253 in words is "one trillion, four hundred six billion, three hundred sixty-three million, six hundred forty thousand, two hundred fifty-three".