721848370141 has 2 divisors, whose sum is σ = 721848370142. Its totient is φ = 721848370140.

The previous prime is 721848370129. The next prime is 721848370151. The reversal of 721848370141 is 141073848127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703620670041 + 18227700100 = 838821^2 + 135010^2 .

It is a cyclic number.

It is not a de Polignac number, because 721848370141 - 2²⁷ = 721714152413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 721848370091 and 721848370100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (721848370121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360924185070 + 360924185071.

It is an arithmetic number, because the mean of its divisors is an integer number (360924185071).

Almost surely, 2^721848370141 is an apocalyptic number.

It is an amenable number.

721848370141 is a deficient number, since it is larger than the sum of its proper divisors (1).

721848370141 is an equidigital number, since it uses as much as digits as its factorization.

721848370141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 721848370141 in words is "seven hundred twenty-one billion, eight hundred forty-eight million, three hundred seventy thousand, one hundred forty-one".