2061621735 has 32 divisors (see below), whose sum is σ = 3345738240. Its totient is φ = 1083915648.

The previous prime is 2061621659. The next prime is 2061621743. The reversal of 2061621735 is 5371261602.

It is not a de Polignac number, because 2061621735 - 2¹⁰ = 2061620711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061621696 and 2061621705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350892 + ... + 356718.

It is an arithmetic number, because the mean of its divisors is an integer number (104554320).

Almost surely, 2^2061621735 is an apocalyptic number.

2061621735 is a deficient number, since it is larger than the sum of its proper divisors (1284116505).

2061621735 is a wasteful number, since it uses less digits than its factorization.

2061621735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2061621735 is about 45405.0849024644. The cubic root of 2061621735 is about 1272.7301374835.

The spelling of 2061621735 in words is "two billion, sixty-one million, six hundred twenty-one thousand, seven hundred thirty-five".