2645046121 has 8 divisors (see below), whose sum is σ = 2718087104. Its totient is φ = 2572086960.

The previous prime is 2645046101. The next prime is 2645046137. The reversal of 2645046121 is 1216405462.

It is a happy number.

2645046121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2645046121 - 2¹³ = 2645037929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2645046101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48226 + ... + 87268.

It is an arithmetic number, because the mean of its divisors is an integer number (339760888).

Almost surely, 2^2645046121 is an apocalyptic number.

It is an amenable number.

2645046121 is a deficient number, since it is larger than the sum of its proper divisors (73040983).

2645046121 is a wasteful number, since it uses less digits than its factorization.

2645046121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40911.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2645046121 is about 51430.0118705022. The cubic root of 2645046121 is about 1382.9646621099.

The spelling of 2645046121 in words is "two billion, six hundred forty-five million, forty-six thousand, one hundred twenty-one".