142849919838651 has 16 divisors (see below), whose sum is σ = 190612894471680. Its totient is φ = 95160114181440.

The previous prime is 142849919838601. The next prime is 142849919838653. The reversal of 142849919838651 is 156838919948241.

It is not a de Polignac number, because 142849919838651 - 2¹⁰ = 142849919837627 is a prime.

It is a super-4 number, since 4×142849919838651⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (142849919838653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516791586 + ... + 517067928.

It is an arithmetic number, because the mean of its divisors is an integer number (11913305904480).

Almost surely, 2^{142849919838651} is an apocalyptic number.

142849919838651 is a deficient number, since it is larger than the sum of its proper divisors (47762974633029).

142849919838651 is a wasteful number, since it uses less digits than its factorization.

142849919838651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408106.

The product of its digits is 1074954240, while the sum is 78.

The spelling of 142849919838651 in words is "one hundred forty-two trillion, eight hundred forty-nine billion, nine hundred nineteen million, eight hundred thirty-eight thousand, six hundred fifty-one".