127523412646642 has 16 divisors (see below), whose sum is σ = 192989906046432. Its totient is φ = 63193514130880.

The previous prime is 127523412646633. The next prime is 127523412646673. The reversal of 127523412646642 is 246646214325721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13896928 + ... + 21170059.

It is an arithmetic number, because the mean of its divisors is an integer number (12061869127902).

Almost surely, 2^{127523412646642} is an apocalyptic number.

127523412646642 is a deficient number, since it is larger than the sum of its proper divisors (65466493399790).

127523412646642 is a wasteful number, since it uses less digits than its factorization.

127523412646642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083193.

The product of its digits is 23224320, while the sum is 55.

The spelling of 127523412646642 in words is "one hundred twenty-seven trillion, five hundred twenty-three billion, four hundred twelve million, six hundred forty-six thousand, six hundred forty-two".