1427622348138 has 24 divisors (see below), whose sum is σ = 3321407096352. Its totient is φ = 407892099384.

The previous prime is 1427622348133. The next prime is 1427622348143. The reversal of 1427622348138 is 8318432267241.

It is an interprime number because it is at equal distance from previous prime (1427622348133) and next prime (1427622348143).

It is not an unprimeable number, because it can be changed into a prime (1427622348133) 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 in 11 ways as a sum of consecutive naturals, for example, 2427928870 + ... + 2427929457.

It is an arithmetic number, because the mean of its divisors is an integer number (138391962348).

Almost surely, 2^{1427622348138} is an apocalyptic number.

1427622348138 is an abundant number, since it is smaller than the sum of its proper divisors (1893784748214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427622348138 is a wasteful number, since it uses less digits than its factorization.

1427622348138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855858346 (or 4855858339 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The spelling of 1427622348138 in words is "one trillion, four hundred twenty-seven billion, six hundred twenty-two million, three hundred forty-eight thousand, one hundred thirty-eight".