912448154561 has 4 divisors (see below), whose sum is σ = 912523185072. Its totient is φ = 912373124052.

The previous prime is 912448154549. The next prime is 912448154567. The reversal of 912448154561 is 165451844219.

912448154561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165451844219 = 19 ⋅8707991801.

It is a cyclic number.

It is not a de Polignac number, because 912448154561 - 2¹⁴ = 912448138177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912448154567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37497011 + ... + 37521336.

It is an arithmetic number, because the mean of its divisors is an integer number (228130796268).

Almost surely, 2^912448154561 is an apocalyptic number.

It is an amenable number.

912448154561 is a deficient number, since it is larger than the sum of its proper divisors (75030511).

912448154561 is a wasteful number, since it uses less digits than its factorization.

912448154561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75030510.

The product of its digits is 1382400, while the sum is 50.

The spelling of 912448154561 in words is "nine hundred twelve billion, four hundred forty-eight million, one hundred fifty-four thousand, five hundred sixty-one".