1541690774941 has 2 divisors, whose sum is σ = 1541690774942. Its totient is φ = 1541690774940.

The previous prime is 1541690774783. The next prime is 1541690774951. The reversal of 1541690774941 is 1494770961451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966231986841 + 575458788100 = 982971^2 + 758590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541690774941 - 2¹⁵ = 1541690742173 is a prime.

It is a super-2 number, since 2×1541690774941² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541690774951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770845387470 + 770845387471.

It is an arithmetic number, because the mean of its divisors is an integer number (770845387471).

Almost surely, 2^{1541690774941} is an apocalyptic number.

It is an amenable number.

1541690774941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541690774941 is an equidigital number, since it uses as much as digits as its factorization.

1541690774941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 1541690774941 in words is "one trillion, five hundred forty-one billion, six hundred ninety million, seven hundred seventy-four thousand, nine hundred forty-one".