153964561603 has 2 divisors, whose sum is σ = 153964561604. Its totient is φ = 153964561602.

The previous prime is 153964561549. The next prime is 153964561613. The reversal of 153964561603 is 306165469351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 153964561603 - 2¹³ = 153964553411 is a prime.

It is not a weakly prime, because it can be changed into another prime (153964561613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76982280801 + 76982280802.

It is an arithmetic number, because the mean of its divisors is an integer number (76982280802).

Almost surely, 2^153964561603 is an apocalyptic number.

153964561603 is a deficient number, since it is larger than the sum of its proper divisors (1).

153964561603 is an equidigital number, since it uses as much as digits as its factorization.

153964561603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 153964561603 in words is "one hundred fifty-three billion, nine hundred sixty-four million, five hundred sixty-one thousand, six hundred three".