2153663771403 has 8 divisors (see below), whose sum is σ = 2871574690816. Its totient is φ = 1435764349800.

The previous prime is 2153663771387. The next prime is 2153663771411. The reversal of 2153663771403 is 3041773663512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2153663771403 - 2⁴ = 2153663771387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153663771473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427463 + ... + 3193728.

It is an arithmetic number, because the mean of its divisors is an integer number (358946836352).

Almost surely, 2^{2153663771403} is an apocalyptic number.

2153663771403 is a deficient number, since it is larger than the sum of its proper divisors (717910919413).

2153663771403 is a wasteful number, since it uses less digits than its factorization.

2153663771403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748905.

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 2153663771403 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-three million, seven hundred seventy-one thousand, four hundred three".