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3812637973 is a prime number
BaseRepresentation
bin1110001101000000…
…0011110100010101
3100211201011002001211
43203100003310111
530302013403343
61430154021421
7163323613414
oct34320036425
910751132054
103812637973
111687153381
128a4a17871
13489b70901
1428250147b
15174ab579d
hexe3403d15

3812637973 has 2 divisors, whose sum is σ = 3812637974. Its totient is φ = 3812637972.

The previous prime is 3812637931. The next prime is 3812637989. The reversal of 3812637973 is 3797362183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3419091729 + 393546244 = 58473^2 + 19838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3812637973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3812637373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906318986 + 1906318987.

It is an arithmetic number, because the mean of its divisors is an integer number (1906318987).

Almost surely, 23812637973 is an apocalyptic number.

It is an amenable number.

3812637973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3812637973 is an equidigital number, since it uses as much as digits as its factorization.

3812637973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 3812637973 is about 61746.5624387301. The cubic root of 3812637973 is about 1562.2187873051.

The spelling of 3812637973 in words is "three billion, eight hundred twelve million, six hundred thirty-seven thousand, nine hundred seventy-three".