5451631926049 has 2 divisors, whose sum is σ = 5451631926050. Its totient is φ = 5451631926048.

The previous prime is 5451631925893. The next prime is 5451631926241. The reversal of 5451631926049 is 9406291361545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5203759380625 + 247872545424 = 2281175^2 + 497868^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451631926049 - 2¹¹ = 5451631924001 is a prime.

It is not a weakly prime, because it can be changed into another prime (5451631926749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725815963024 + 2725815963025.

It is an arithmetic number, because the mean of its divisors is an integer number (2725815963025).

Almost surely, 2^{5451631926049} is an apocalyptic number.

It is an amenable number.

5451631926049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451631926049 is an equidigital number, since it uses as much as digits as its factorization.

5451631926049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 5451631926049 in words is "five trillion, four hundred fifty-one billion, six hundred thirty-one million, nine hundred twenty-six thousand, forty-nine".