2694121920 has 504 divisors, whose sum is σ = 11423836944. Its totient is φ = 579059712.

The previous prime is 2694121919. The next prime is 2694121943. The reversal of 2694121920 is 291214962.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2398479 + ... + 2399601.

Almost surely, 2^2694121920 is an apocalyptic number.

2694121920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2694121920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5711918472).

2694121920 is an abundant number, since it is smaller than the sum of its proper divisors (8729715024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2694121920 is a wasteful number, since it uses less digits than its factorization.

2694121920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2694121920 is about 51904.9315576083. The cubic root of 2694121920 is about 1391.4654110505.

The spelling of 2694121920 in words is "two billion, six hundred ninety-four million, one hundred twenty-one thousand, nine hundred twenty".