11954695453 has 2 divisors, whose sum is σ = 11954695454. Its totient is φ = 11954695452.

The previous prime is 11954695391. The next prime is 11954695507. The reversal of 11954695453 is 35459645911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11797869924 + 156825529 = 108618^2 + 12523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11954695453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11954695453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11954693453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5977347726 + 5977347727.

It is an arithmetic number, because the mean of its divisors is an integer number (5977347727).

Almost surely, 2^11954695453 is an apocalyptic number.

It is an amenable number.

11954695453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11954695453 is an equidigital number, since it uses as much as digits as its factorization.

11954695453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916000, while the sum is 52.

The spelling of 11954695453 in words is "eleven billion, nine hundred fifty-four million, six hundred ninety-five thousand, four hundred fifty-three".