719971987741 has 2 divisors, whose sum is σ = 719971987742. Its totient is φ = 719971987740.

The previous prime is 719971987729. The next prime is 719971987799. The reversal of 719971987741 is 147789179917.

719971987741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580285915225 + 139686072516 = 761765^2 + 373746^2 .

It is a cyclic number.

It is not a de Polignac number, because 719971987741 - 2¹³ = 719971979549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719971987541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359985993870 + 359985993871.

It is an arithmetic number, because the mean of its divisors is an integer number (359985993871).

Almost surely, 2^719971987741 is an apocalyptic number.

It is an amenable number.

719971987741 is a deficient number, since it is larger than the sum of its proper divisors (1).

719971987741 is an equidigital number, since it uses as much as digits as its factorization.

719971987741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56010528, while the sum is 70.

The spelling of 719971987741 in words is "seven hundred nineteen billion, nine hundred seventy-one million, nine hundred eighty-seven thousand, seven hundred forty-one".