1401633072453 has 4 divisors (see below), whose sum is σ = 1868844096608. Its totient is φ = 934422048300.

The previous prime is 1401633072439. The next prime is 1401633072481. The reversal of 1401633072453 is 3542703361041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1401633072453 - 2⁸ = 1401633072197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401633072253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233605512073 + ... + 233605512078.

It is an arithmetic number, because the mean of its divisors is an integer number (467211024152).

Almost surely, 2^{1401633072453} is an apocalyptic number.

It is an amenable number.

1401633072453 is a deficient number, since it is larger than the sum of its proper divisors (467211024155).

1401633072453 is an equidigital number, since it uses as much as digits as its factorization.

1401633072453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467211024154.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 1401633072453 in words is "one trillion, four hundred one billion, six hundred thirty-three million, seventy-two thousand, four hundred fifty-three".