65098742731 has 8 divisors (see below), whose sum is σ = 71020697904. Its totient is φ = 59177435520.

The previous prime is 65098742711. The next prime is 65098742743. The reversal of 65098742731 is 13724789056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65098742731 - 2¹³ = 65098734539 is a prime.

It is a super-2 number, since 2×65098742731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65098742701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61495 + ... + 366031.

It is an arithmetic number, because the mean of its divisors is an integer number (8877587238).

It is a 2-persistent number, because it is pandigital, and so is 2⋅65098742731 = 130197485462, but 3⋅65098742731 = 195296228193 is not.

Almost surely, 2^65098742731 is an apocalyptic number.

65098742731 is the 136381-st centered heptagonal number.

65098742731 is a deficient number, since it is larger than the sum of its proper divisors (5921955173).

65098742731 is a wasteful number, since it uses less digits than its factorization.

65098742731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323981.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 65098742731 in words is "sixty-five billion, ninety-eight million, seven hundred forty-two thousand, seven hundred thirty-one".