153688974409 has 2 divisors, whose sum is σ = 153688974410. Its totient is φ = 153688974408.

The previous prime is 153688974407. The next prime is 153688974427. The reversal of 153688974409 is 904479886351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85774008384 + 67914966025 = 292872^2 + 260605^2 .

It is a cyclic number.

It is not a de Polignac number, because 153688974409 - 2¹ = 153688974407 is a prime.

Together with 153688974407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (153688974407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76844487204 + 76844487205.

It is an arithmetic number, because the mean of its divisors is an integer number (76844487205).

Almost surely, 2^153688974409 is an apocalyptic number.

It is an amenable number.

153688974409 is a deficient number, since it is larger than the sum of its proper divisors (1).

153688974409 is an equidigital number, since it uses as much as digits as its factorization.

153688974409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 153688974409 in words is "one hundred fifty-three billion, six hundred eighty-eight million, nine hundred seventy-four thousand, four hundred nine".