740097511691 has 2 divisors, whose sum is σ = 740097511692. Its totient is φ = 740097511690.

The previous prime is 740097511667. The next prime is 740097511693. The reversal of 740097511691 is 196115790047.

740097511691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 740097511691 - 2²⁶ = 740030402827 is a prime.

It is a super-2 number, since 2×740097511691² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 740097511693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (740097511693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370048755845 + 370048755846.

It is an arithmetic number, because the mean of its divisors is an integer number (370048755846).

Almost surely, 2^740097511691 is an apocalyptic number.

740097511691 is a deficient number, since it is larger than the sum of its proper divisors (1).

740097511691 is an equidigital number, since it uses as much as digits as its factorization.

740097511691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 740097511691 in words is "seven hundred forty billion, ninety-seven million, five hundred eleven thousand, six hundred ninety-one".