154704654493 has 2 divisors, whose sum is σ = 154704654494. Its totient is φ = 154704654492.

The previous prime is 154704654479. The next prime is 154704654499. The reversal of 154704654493 is 394456407451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127001715129 + 27702939364 = 356373^2 + 166442^2 .

It is a cyclic number.

It is not a de Polignac number, because 154704654493 - 2⁹ = 154704653981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154704654493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154704654499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77352327246 + 77352327247.

It is an arithmetic number, because the mean of its divisors is an integer number (77352327247).

Almost surely, 2^154704654493 is an apocalyptic number.

It is an amenable number.

154704654493 is a deficient number, since it is larger than the sum of its proper divisors (1).

154704654493 is an equidigital number, since it uses as much as digits as its factorization.

154704654493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 154704654493 in words is "one hundred fifty-four billion, seven hundred four million, six hundred fifty-four thousand, four hundred ninety-three".