427383848961 has 16 divisors (see below), whose sum is σ = 633430667520. Its totient is φ = 284801331600.

The previous prime is 427383848951. The next prime is 427383848993. The reversal of 427383848961 is 169848383724.

427383848961 is a `hidden beast` number, since 4 + 2 + 73 + 83 + 8 + 489 + 6 + 1 = 666.

It is not a de Polignac number, because 427383848961 - 2⁶ = 427383848897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427383848951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3302970 + ... + 3429923.

It is an arithmetic number, because the mean of its divisors is an integer number (39589416720).

It is a Proth number, since it is equal to 407585 ⋅ 2²⁰ + 1 and 407585 < 2²⁰.

Almost surely, 2^427383848961 is an apocalyptic number.

It is an amenable number.

427383848961 is a deficient number, since it is larger than the sum of its proper divisors (206046818559).

427383848961 is a wasteful number, since it uses less digits than its factorization.

427383848961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735253 (or 6735247 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 427383848961 in words is "four hundred twenty-seven billion, three hundred eighty-three million, eight hundred forty-eight thousand, nine hundred sixty-one".