73603630157 has 2 divisors, whose sum is σ = 73603630158. Its totient is φ = 73603630156.

The previous prime is 73603630099. The next prime is 73603630193. The reversal of 73603630157 is 75103630637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68126742121 + 5476888036 = 261011^2 + 74006^2 .

It is a cyclic number.

It is not a de Polignac number, because 73603630157 - 2²⁶ = 73536521293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73603630957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36801815078 + 36801815079.

It is an arithmetic number, because the mean of its divisors is an integer number (36801815079).

Almost surely, 2^73603630157 is an apocalyptic number.

It is an amenable number.

73603630157 is a deficient number, since it is larger than the sum of its proper divisors (1).

73603630157 is an equidigital number, since it uses as much as digits as its factorization.

73603630157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 41.

The spelling of 73603630157 in words is "seventy-three billion, six hundred three million, six hundred thirty thousand, one hundred fifty-seven".