427122051764 has 12 divisors (see below), whose sum is σ = 747468165444. Its totient is φ = 213559718784.

The previous prime is 427122051689. The next prime is 427122051767. The reversal of 427122051764 is 467150221724.

It can be written as a sum of positive squares in 2 ways, for example, as 258513267364 + 168608784400 = 508442^2 + 410620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427122051767) 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, 1138412 + ... + 1466364.

It is an arithmetic number, because the mean of its divisors is an integer number (62289013787).

Almost surely, 2^427122051764 is an apocalyptic number.

It is an amenable number.

427122051764 is a deficient number, since it is larger than the sum of its proper divisors (320346113680).

427122051764 is a wasteful number, since it uses less digits than its factorization.

427122051764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653554 (or 653552 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 427122051764 in words is "four hundred twenty-seven billion, one hundred twenty-two million, fifty-one thousand, seven hundred sixty-four".