2061974541 has 16 divisors (see below), whose sum is σ = 3129638400. Its totient is φ = 1195347120.

The previous prime is 2061974531. The next prime is 2061974543. The reversal of 2061974541 is 1454791602.

It is a de Polignac number, because none of the positive numbers 2^k-2061974541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061974541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061974543) 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, 1357591 + ... + 1359108.

It is an arithmetic number, because the mean of its divisors is an integer number (195602400).

Almost surely, 2^2061974541 is an apocalyptic number.

It is an amenable number.

2061974541 is a deficient number, since it is larger than the sum of its proper divisors (1067663859).

2061974541 is a wasteful number, since it uses less digits than its factorization.

2061974541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716736.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2061974541 is about 45408.9698297594. The cubic root of 2061974541 is about 1272.8027342504.

The spelling of 2061974541 in words is "two billion, sixty-one million, nine hundred seventy-four thousand, five hundred forty-one".