141722969721 has 16 divisors (see below), whose sum is σ = 194456997504. Its totient is φ = 91745616384.

The previous prime is 141722969699. The next prime is 141722969723. The reversal of 141722969721 is 127969227141.

It is not a de Polignac number, because 141722969721 - 2⁶ = 141722969657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141722969723) 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, 1213336 + ... + 1325001.

It is an arithmetic number, because the mean of its divisors is an integer number (12153562344).

Almost surely, 2^141722969721 is an apocalyptic number.

It is an amenable number.

141722969721 is a deficient number, since it is larger than the sum of its proper divisors (52734027783).

141722969721 is a wasteful number, since it uses less digits than its factorization.

141722969721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538880.

The product of its digits is 762048, while the sum is 51.

It can be divided in two parts, 1417229 and 69721, that added together give a triangular number (1486950 = T₁₇₂₄).

The spelling of 141722969721 in words is "one hundred forty-one billion, seven hundred twenty-two million, nine hundred sixty-nine thousand, seven hundred twenty-one".