427660601542 has 4 divisors (see below), whose sum is σ = 641490902316. Its totient is φ = 213830300770.

The previous prime is 427660601519. The next prime is 427660601549. The reversal of 427660601542 is 245106066724.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×427660601542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427660601549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106915150384 + ... + 106915150387.

It is an arithmetic number, because the mean of its divisors is an integer number (160372725579).

Almost surely, 2^427660601542 is an apocalyptic number.

427660601542 is a deficient number, since it is larger than the sum of its proper divisors (213830300774).

427660601542 is a wasteful number, since it uses less digits than its factorization.

427660601542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213830300773.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 427660601542 in words is "four hundred twenty-seven billion, six hundred sixty million, six hundred one thousand, five hundred forty-two".