2698791951 has 16 divisors (see below), whose sum is σ = 3756236768. Its totient is φ = 1721865600.

The previous prime is 2698791947. The next prime is 2698792027. The reversal of 2698791951 is 1591978962.

It is not a de Polignac number, because 2698791951 - 2² = 2698791947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2698791891 and 2698791900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2698791911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192520 + ... + 206061.

It is an arithmetic number, because the mean of its divisors is an integer number (234764798).

Almost surely, 2^2698791951 is an apocalyptic number.

2698791951 is a deficient number, since it is larger than the sum of its proper divisors (1057444817).

2698791951 is a wasteful number, since it uses less digits than its factorization.

2698791951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398682.

The product of its digits is 2449440, while the sum is 57.

The square root of 2698791951 is about 51949.8984695832. The cubic root of 2698791951 is about 1392.2689425566.

The spelling of 2698791951 in words is "two billion, six hundred ninety-eight million, seven hundred ninety-one thousand, nine hundred fifty-one".