2045254401431 has 2 divisors, whose sum is σ = 2045254401432. Its totient is φ = 2045254401430.

The previous prime is 2045254401397. The next prime is 2045254401439. The reversal of 2045254401431 is 1341044525402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045254401431 - 2¹⁰ = 2045254400407 is a prime.

It is a super-2 number, since 2×2045254401431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2045254401391 and 2045254401400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045254401439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022627200715 + 1022627200716.

It is an arithmetic number, because the mean of its divisors is an integer number (1022627200716).

Almost surely, 2^{2045254401431} is an apocalyptic number.

2045254401431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045254401431 is an equidigital number, since it uses as much as digits as its factorization.

2045254401431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 2045254401431 its reverse (1341044525402), we get a palindrome (3386298926833).

The spelling of 2045254401431 in words is "two trillion, forty-five billion, two hundred fifty-four million, four hundred one thousand, four hundred thirty-one".