42144298695 has 12 divisors (see below), whose sum is σ = 73050117816. Its totient is φ = 22476959280.

The previous prime is 42144298657. The next prime is 42144298697. The reversal of 42144298695 is 59689244124.

42144298695 is a `hidden beast` number, since 4 + 21 + 442 + 98 + 6 + 95 = 666.

It is not a de Polignac number, because 42144298695 - 2¹⁸ = 42144036551 is a prime.

It is a super-2 number, since 2×42144298695² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144298697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468269941 + ... + 468270030.

It is an arithmetic number, because the mean of its divisors is an integer number (6087509818).

Almost surely, 2^42144298695 is an apocalyptic number.

42144298695 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42144298695 is a deficient number, since it is larger than the sum of its proper divisors (30905819121).

42144298695 is a wasteful number, since it uses less digits than its factorization.

42144298695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936539982 (or 936539979 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 42144298695 in words is "forty-two billion, one hundred forty-four million, two hundred ninety-eight thousand, six hundred ninety-five".