98651377439 has 4 divisors (see below), whose sum is σ = 99371460624. Its totient is φ = 97931294256.

The previous prime is 98651377399. The next prime is 98651377457. The reversal of 98651377439 is 93477315689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93477315689 = 41 ⋅2279934529.

It is a cyclic number.

It is not a de Polignac number, because 98651377439 - 2¹⁶ = 98651311903 is a prime.

It is a super-3 number, since 3×98651377439³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98651377039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360041387 + ... + 360041660.

It is an arithmetic number, because the mean of its divisors is an integer number (24842865156).

Almost surely, 2^98651377439 is an apocalyptic number.

98651377439 is a deficient number, since it is larger than the sum of its proper divisors (720083185).

98651377439 is a wasteful number, since it uses less digits than its factorization.

98651377439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720083184.

The product of its digits is 34292160, while the sum is 62.

The spelling of 98651377439 in words is "ninety-eight billion, six hundred fifty-one million, three hundred seventy-seven thousand, four hundred thirty-nine".